applied todbs snmp fixs for OSX https://dev.metasploit.com/redmine/issues/7480
added psProcessUsername MIB to snmp_enumusers - to enumerate users on Solaris Systems
Applied Jon Hart's recommendations
Use the SNMP fix from master.
Merge pull request #1 from jvennix-r7/merge-snmp-bsd-fix

Use the SNMP fix from master.
Add PHP Code Execution for X7 Chat 2.0.5
update module description
Fix issues reported by jvasquez
Fix issues reported by wchen-r7
Fix value of X7C2P cookie and typo
Numerous cleanups for snmp_enumusers

* Bring in line with Ruby standards
* More sane format for adding new OSs
* Better logging for use on larger networks
* Better error handling
Added compatibility with older versions, Updated descriptions and fixed issue with Ubuntu 12.04
Do minor cleanup
Switch ranking
Add github pull request as reference
Land #4076, exploit for x7chat PHP application
Merge pull request #3 from jhart-r7/landing-3516-jhart

Numerous cleanups for snmp_enumusers
Fix refactoring bug from 23 october in util/exe

23 October, {} instead of #{} totally break windows service generation
https://github.com/rapid7/metasploit-framework/commit/f19b093529f3b3aacefb69f8133ab788859445d1#diff-0f5729034d8b0b321e738f2fc047854fL578
Land 4127, fix broken refactor in util/exe
Land #3516, @midnitesnake's snmp_enumusers fix for Solaris, OS X