Update installer.py

New version of Openresty
Add Lapis requirements
Use CWD for full path to web.lua. Recompile lua.
Try to fix validation for Lapis. Fixed #740
Nail Mongrel2 version to v1.8.1
update phreeze to latest version
implement new tests
fix DB connection issue
master Fixing a lot of the install process
Merge branch 'master' of github.com:TechEmpower/FrameworkBenchmarks
master Syntax error
master Should only kill with 15
Merge branch 'master' of https://github.com/jasonhinkle/FrameworkBenchmarks into PR782
PR782 Removed superfluous meta tag.
master Fixed curl sometimes never ending
gemini-1.4 Updating gemini version
gemini-1.4 Fixed classpath
gemini-1.4 Updated codebase
gemini-1.4 Removed old jar
gemini-1.4 Fixed GhVersion
gemini-1.4 Fixes and updates
gemini-1.4 Not sure what happened here
gemini-1.4 Again, not sure what's going on...