Use titleizer on main page

This ensures that should you ever have a site whose name includes a special case, or uppercase word (e.g. "Introduction to RVM") it will correctly display, as is done in the drop-down menu.
Fix more missing Titleizer.title_for_page calls
Start moving content to PHP
Start updating URLs and naming in markdown files
Add debugger
Small customizations
Minor CSS changes -> PHPWomen purple!
Update to point to PHPBridge stuff
Start moving installfest to php
Update for PHP
Rename Ruby Language to PHP Language
Switch to Psysh from Boris, it has better output
Update for PHP
Merge pull request #1 from dshafik/phpbridge-changes

Initial PHPBridge Changes