Generate proper branch param for the NAT ping requests
Credits go to Varun (varunvairavan on GITHUB)
Closes #145

(cherry picked from commit 1f18541ced045645f8cbda1c73a85fe52597a1db)
mi_json: escape '\\' character

also fix incorrect '"' escaping

(cherry picked from commit 28b399bb166a786bb0e943ff072606d2d01d96b6)

Conflicts:
	modules/mi_json/http_fnc.c
remove bogus flushing for mi_json

TODO: find a proper way for handling flushing, since the current
implementation leads to a infinite loop

(cherry picked from commit 0d47a32d18c656a22aa536f5eeb24e3310ade481)
revert bogus commit for mi_json
Merge pull request #150 from staskobzar/master

opensipsctl is calling ds_relaod for dr instead of dr_reload
(cherry picked from commit 6b6be3057762fb9d0e98bcea104e02d45a30b4c2)
Fixed bogus triggering of PUBLISHing for non-INVITE sequential requests.
Credits go to Damien Sandras
Closes pull request #149

(cherry picked from commit e0cc9d009151a086f42c08d7f8092b8c7d5835ed)
Check the ret code from send_rtpp_command

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
Don't test additionally RTPproxy while choosing

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>

Conflicts:
	modules/rtpproxy/rtpproxy.c
Return faster in case of an error.

Don't make another try - just return.

Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>