GitLab

Signed-off-by: Johan Pascal <johan.pascal@belledonne-communications.com>

store cam setting in call context to be able to manage webcam configuration, call by call, specially useful to set nowebcam in Pausing state only.

tester: use snprintf instead of sprintf and use stdio instead of default logger function for bc_tester_utils

Conflicts:
	po/ar.po
	po/cs.po
	po/de.po
	po/es.po
	po/fr.po
	po/he.po
	po/hu.po
	po/it.po
	po/ja.po
	po/nb_NO.po
	po/nl.po
	po/pl.po
	po/pt_BR.po
	po/ru.po
	po/sr.po
	po/sv.po
	po/zh_CN.po
	po/zh_TW.po

+ auto-answering is now controled by the "auto-answer" parameter in the GtkUi
  section of linphonerc
+ The corresponding command line argument is now unhadled

-No longer rewrite callparams->has_video, but use dedicated params to save offers answer result regarding video
-Invoke FIR in method linphone_core_send_vfu_request
-Invoke CallStatsUpdated even in case of scheduled updates
-Fix media direction in case of paused/resumed with paused by « inactive »

selftest option says hello in the local language (french for the moment), which allows to check from a script that translations are working as expected

+ Remove unuseful properties
+ Remove superfluous images
+ Give a name to all images

linphonecore.c: add linphone_core_set_log_level_mask and deprecate linphone_core_set_log_level since it's actually a misname of the first function