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# Conflicts:
#	CMakeLists.txt
#	coreapi/account_creator.c
#	coreapi/friendlist.c
#	coreapi/linphonecore_jni.cc
#	coreapi/misc.c
#	coreapi/vcard.cc
#	coreapi/vcard.h
#	coreapi/vcard_stubs.c
#	gtk/videowindow.c
#	java/common/org/linphone/core/LinphoneNatPolicy.java
#	java/impl/org/linphone/core/LinphoneNatPolicyImpl.java
#	mediastreamer2
#	tester/vcard_tester.c

This reverts commit 28ced75b.

- better integration with network reachability callback
- fix crashes (mTunnelClient can no longer be NULL)
- avoid useless operations during transcient states
- clarify source code
- allow the application to set root_ca before the tunnel connection actually starts.