* remotes/origin/1.4: (27 commits)
b/f: getHeader: find correct hdr also if it's substring of another hdr
b/f: support values at end of SDP without CR (master 8ec8a910a2)
b/f: T38 streams in SBC/B2B (udptl transport); proper media direction passthrough
click2dial: b/f: fix crash when using without credentials
Add systemd-related files to the pkg/rpm dir
Add libzrtp support to the CMakeFile
Fix c/p typo in cmake-files
Missing include for close(FILE *)
Drop privileges for SEMS process
b/f: in webconference app, handle session timer timeout and RTP timeout
b/f: on RTP timeout, end dialog with sending BYE
b/f: make listRooms return only non-expired rooms
b/f: B2BUA: fixed replies for error handling
b/f: fixing b6d5f726 (fix SBC SDP filter)
b/f: fix SBC SDP filter with connection per media only
add Retry-After: 0 to NOTIFY 500 response on low CSeq
b/f: click2dial: save content_type, cseq to connect callee
b/f: use proper empty string value
b/f: use proper failure return value
b/f: reset RTP-received timestamp when (re)starting process RTP stream
...