GitLab

message_storage.c: do not rebuild peer address for each DB message since it is already available in chat room structure

message_storage.c: remove invalid assert in linphone_chat_room_delete_message and force recomputation of unread messages count after removal, since database is not synced anymore with chat messages in memory

chat_file_transfer.c: handle 4XX errors when trying to download image andlinphone_chat_message_cancel_file_transfer should change message state only if it was being pushed/pulled

Conflicts:
	gtk/main.c
	mediastreamer2
	po/POTFILES.in

Fixing mistake in Makefile.am for liblinphone_tester : resource directory 'certifcates' subdirectory tree was wrong.

Conflicts:
	mediastreamer2