Merge branch 'release/1.2.0' into develop
Add signal.h as reported by gnehzuil
evthr_*set_backlog for SO_RCVBUF sockopts
SO_RCVBUF should be multiple of sizeof(evthr_cmd_t)
Install regex header if enabled
Fix missing symbol SIGTERM by including signal.h
Examples will only built if "make examples" is run.
Merge commit 'c449ad8fe77d60393ca6f5b3b67957f2c1fc37d4' into develop
Fixed enum typedef issue reported by scott--
Use system onig if avail, install includes in include/evthr

- If onig is already installed on the system, the local version will not be
  used.

- evhtp specific headers are now installed into include/evhtp/
Added evhtp_request_status() to get client response code.
Fix typo in cmakelist
Merge branch 'develop' of github.com:ellzey/libevhtp into develop

Conflicts:
	CMakeLists.txt
Removed unused code.
put include files back in base
v1.2.1, see ChangeLog for details.
Merge branch 'release/1.2.1'