Fixed autobridging in combination with TopoHiding.

Get information about the next hop from the Transaction layer (when Topo Hiding is used), as we have no second VIA present in the SIP replies.
Based on an original fix from Nick Altmann, related to push request #238.

(cherry picked from commit 20d1fe67de5c70ff1ff8a56912c515f1b88ae6bb)
core: Fix uninitialized number of interface listeners

Closes issue #246, reported by cityant
(cherry picked from commit 53e48e1b935b4dfbba11fb54ee105d995c4524db)
core statistics: revert to safe allocations

Commit 42c3d383 is incomplete since some statistics are allocated
in multi-process environments (e.g. udp/tcp load statistics)

This patch fixes this issue, while maintaining the logic behind 42c3d383
(cherry picked from commit b54afe38bb869cca1c061a1db17abc4869d708c2)
Fixed dbschema doc to point to right modules doc.
Fixed handling of REJECT return code.

(cherry picked from commit 8e42553e44be1b054d2f6e9b84b3632e83e4a0bd)
Removed obsolete file.
dialog: fix $DLG_timeout printing

(cherry picked from commit dba4810151dd21ade089ac36aacd766db58b9805)
Fix docs - replace "flags_col" with "state_col".

(cherry picked from commit 3e71b9bc5b90aa0afd7f7f2a3140c24c42cee61a)
Readme file re-generated
Replace FLAGS with STATE columns in dispatcher

(cherry picked from commit 3d9bb5ad30dbe3c6a439bc7ec60da10a845e8dce)
Replace "flags" with "state" in the ds_list output

(cherry picked from commit 45afa00fb425ec1e36887fa237438f25c06dc07b)
Fix typo in the doc examples

(cherry picked from commit a550b90d6d4eda70a4e26f696eb4a216625813ff)
fixed auth README typo
(cherry picked from commit 7cbe8a7bdf1eb4680bb3dc274d2abdb070d580b1)
Fixed empty tree bug
(cherry picked from commit b36da5ec0ba5cf4a21d23edc8fe0484f586fb286)
Fix moving the AVP list from UAS to UAC in B2B.

Closes issue #230
Many thanks to Ovidiu Sas for report and debugging.

(cherry picked from commit c760b69cb4f1b56b91112ab457fef232b5753fbd)
Add missing UPDATE method in rules.

(cherry picked from commit 35f9d98eab84b2ac90aa83f9ba85511058316ab5)
Fix bogus trailing dot char in SQL syntax.

(cherry picked from commit b611ee639c94af69b2ef4acea88ffa383861a6dd)
README files re-generated (thanks to Walter Doekes)
Fix spelling in Makefile messages
change default prefix to /usr/local

(cherry picked from commit 84cfab282ad4e8edaa517ef72651a5f6021e70f5)