Renamed parameter 'from_col' to 'pattern_col'
Feature request #77 fulfilled
Added IFDEF to ensure TLSv1.2 is only used when openssl >= 1.0.1 is used
Corrected db_http example: the timeout is an integer.
For db_extra & db_extra_bye params, create dummy SIP message in case we have NULL msg, in order to allow the evaluation of PVARs that don't actually need the SIP msg ( eg. $DLG_end_reason )
For dialog pvars, we don't actually need a SIP msg in order to evaluate
Properly take into account the dialplan priority in case entry matches both string and regex rules
State of the destination is persistent across reloads.
Added persistency for the state of the destinations : (1) persistency across opensips restart, via DB amd (2) persistency across reloads.
Updated DB schema for dispatcher in order to reflect latest changes (state persistency)
drouting: fix drc_table doc default value
drouting: properly update the drouting versions
sort the db_berkeley and dbtext version entries

this makes further updating easier, since the entries are no longer in a
random entry. Moreover, they can be easily followed in the file.
Merge pull request #141 from shimaore/db_http_timeout_doc

Corrected db_http example: the timeout is an integer.
fixed doc avp names
Rework the reload part - use readers/writers locking for ensure safe and efficient reload.
Fix a couple of potential deadlocks in commit b30b43b4
fixed compile error when statistics are not enabled

Thanks to Liviu Chircu for reporting them
Fixed bogus condition in GT, GTE, LT and LTE script tests.
Reported by dcb314 on GITHUB
Closing issue #146

(cherry picked from commit 96921f5f90919bdc3dc1a573bcb0c32899c65075)
Generate proper branch param for the NAT ping requests
Credits go to Varun (varunvairavan on GITHUB)
Closes #145