diff --git a/console/linphonec.c b/console/linphonec.c
index b8072e325..ff16e1387 100644
--- a/console/linphonec.c
+++ b/console/linphonec.c
@@ -747,7 +747,7 @@ linphonec_init(int argc, char **argv)
 	linphone_core_enable_video_display(linphonec, display_enabled);
 	if (display_enabled && window_id != 0)
 	{
-		printf ("Setting window_id: 0x%x\n", window_id);
+		printf("Setting window_id: 0x%x\n", window_id);
 		linphone_core_set_native_video_window_id(linphonec,window_id);
 	}
 
diff --git a/coreapi/CMakeLists.txt b/coreapi/CMakeLists.txt
index ff39dfb41..2be82be73 100644
--- a/coreapi/CMakeLists.txt
+++ b/coreapi/CMakeLists.txt
@@ -145,3 +145,5 @@ install(FILES ${HEADER_FILES}
 	DESTINATION include/linphone
 	PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ
 )
+
+add_subdirectory(help)
diff --git a/coreapi/Makefile.am b/coreapi/Makefile.am
index 03d42f08d..5b4460c79 100644
--- a/coreapi/Makefile.am
+++ b/coreapi/Makefile.am
@@ -8,9 +8,8 @@ GITREVISION=`cd $(top_srcdir) && git rev-parse HEAD`
 ## This command is used to check if the sources are cloned in a git repo.
 ## We can't only depend on the presence of the .git/ directory anymore, 
 ## because of gits submodule handling.
-## We now simply issue a git status and if there's an error, the $(GITSTATUS)
-## variable won't contain "GITOK"
-GITSTATUS=`cd $(top_srcdir) && git status > /dev/null && echo GITOK`
+## We now simply issue a git log on configure.ac and if the output is empty (error or file not tracked), then we are not in git.
+GITLOG=$(shell git log -1 $(top_srcdir)/configure.ac)
 
 ECHO=/bin/echo
 
@@ -168,7 +167,7 @@ AM_CXXFLAGS=$(AM_CFLAGS)
 #the PACKAGE_VERSION given in configure.ac
 
 make_gitversion_h:
-	if test "$(GITSTATUS)" == "GITOK" ; then  \
+	if test -n "$(GITLOG)" ; then  \
 		if test "$(GITDESCRIBE)" != "" ; then \
 			if test "$(GIT_TAG)" != "$(PACKAGE_VERSION)" ; then \
 				echo "*** PACKAGE_VERSION and git tag differ. Please put them identical."; \
diff --git a/coreapi/help/CMakeLists.txt b/coreapi/help/CMakeLists.txt
new file mode 100644
index 000000000..8f7b9b125
--- /dev/null
+++ b/coreapi/help/CMakeLists.txt
@@ -0,0 +1,37 @@
+############################################################################
+# CMakeLists.txt
+# Copyright (C) 2014  Belledonne Communications, Grenoble France
+#
+############################################################################
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+############################################################################
+
+find_package(Doxygen)
+
+if(DOXYGEN_FOUND)
+	if(DOXYGEN_DOT_FOUND)
+		set(top_srcdir ${CMAKE_SOURCE_DIR})
+		configure_file(${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)
+		add_custom_target(doc ALL
+			${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
+			DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)
+		install(DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/doc/html" "${CMAKE_CURRENT_BINARY_DIR}/doc/xml"
+			DESTINATION "${CMAKE_INSTALL_PREFIX}/share/doc/linphone-${LINPHONE_VERSION}")
+	else()
+		message(WARNING "The dot program is needed to generate the linphone documentation. You can get it from http://www.graphviz.org/.")
+	endif()
+endif()
diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index a3d618e96..e2c21e90a 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -64,6 +64,7 @@ static const char *liblinphone_version=
 	LIBLINPHONE_VERSION
 #endif
 ;
+static bool_t liblinphone_serialize_logs = FALSE;
 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
 static void linphone_core_run_hooks(LinphoneCore *lc);
 static void linphone_core_free_hooks(LinphoneCore *lc);
@@ -480,11 +481,15 @@ void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
  * @ingroup misc
  * @deprecated Use #linphone_core_set_log_level instead.
 **/
-void linphone_core_disable_logs(){
+void linphone_core_disable_logs(void){
 	ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 	sal_disable_logs();
 }
 
+void linphone_core_serialize_logs(void) {
+	liblinphone_serialize_logs = TRUE;
+}
+
 
 static void net_config_read (LinphoneCore *lc)
 {
@@ -1331,7 +1336,9 @@ static void linphone_core_init(LinphoneCore * lc, const LinphoneCoreVTable *vtab
 
 	linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
 	ortp_init();
-	ortp_set_log_thread_id(ortp_thread_self());
+	if (liblinphone_serialize_logs == TRUE) {
+		ortp_set_log_thread_id(ortp_thread_self());
+	}
 	lc->dyn_pt=96;
 	lc->default_profile=rtp_profile_new("default profile");
 	linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
@@ -2397,7 +2404,9 @@ void linphone_core_iterate(LinphoneCore *lc){
 		}
 	}
 
-	ortp_logv_flush();
+	if (liblinphone_serialize_logs == TRUE) {
+		ortp_logv_flush();
+	}
 }
 
 /**
@@ -6038,7 +6047,9 @@ static void linphone_core_uninit(LinphoneCore *lc)
 	linphone_core_message_storage_close(lc);
 	ms_exit();
 	linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
-	ortp_set_log_thread_id(0);
+	if (liblinphone_serialize_logs == TRUE) {
+		ortp_set_log_thread_id(0);
+	}
 }
 
 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
diff --git a/coreapi/linphonecore.h b/coreapi/linphonecore.h
index 5e842ac59..9fdb864df 100644
--- a/coreapi/linphonecore.h
+++ b/coreapi/linphonecore.h
@@ -1674,6 +1674,14 @@ LINPHONE_PUBLIC void linphone_core_set_log_level(OrtpLogLevel loglevel);
 LINPHONE_PUBLIC void linphone_core_enable_logs(FILE *file);
 LINPHONE_PUBLIC void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc);
 LINPHONE_PUBLIC void linphone_core_disable_logs(void);
+
+/**
+ * Enable logs serialization (output logs from either the thread that creates the linphone core or the thread that calls linphone_core_iterate()).
+ * Must be called before creating the linphone core.
+ * @ingroup misc
+ */
+LINPHONE_PUBLIC void linphone_core_serialize_logs(void);
+
 LINPHONE_PUBLIC	const char *linphone_core_get_version(void);
 LINPHONE_PUBLIC	const char *linphone_core_get_user_agent(LinphoneCore *lc);
 /**
diff --git a/mediastreamer2 b/mediastreamer2
index 70a029a00..932964c57 160000
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit 70a029a00f2b7272d8c790557e71ff8b73004b85
+Subproject commit 932964c57f0fc8d7690334dae59ab70b455bf466
diff --git a/oRTP b/oRTP
index fc8d8457e..dfb505d71 160000
--- a/oRTP
+++ b/oRTP
@@ -1 +1 @@
-Subproject commit fc8d8457eb630907eff50333ddf5243b448fe733
+Subproject commit dfb505d7198dc8be59919c8c6d68add302a98fd3