Updating .gitignore. Add PHPstorm cruft. 
Updating .gitignore. Add PHPstorm cruft. 

See https://github.com/bolt/bolt/wiki/Developing-Bolt-in-PHPStorm
bolt/bolt,GawainLynch/bolt,rossriley/bolt,romulo1984/bolt,electrolinux/bolt,nikgo/bolt,rossriley/bolt,lenvanessen/bolt,electrolinux/bolt,cdowdy/bolt,bolt/bolt,GawainLynch/bolt,Intendit/bolt,electrolinux/bolt,romulo1984/bolt,rarila/bolt,rarila/bolt,HonzaMikula/masivnipostele,lenvanessen/bolt,rossriley/bolt,HonzaMikula/masivnipostele,CarsonF/bolt,HonzaMikula/masivnipostele,rossriley/bolt,joshuan/bolt,nikgo/bolt,rarila/bolt,Intendit/bolt,Raistlfiren/bolt,joshuan/bolt,CarsonF/bolt,HonzaMikula/masivnipostele,joshuan/bolt,Raistlfiren/bolt,rarila/bolt,lenvanessen/bolt,lenvanessen/bolt,electrolinux/bolt,Intendit/bolt,Raistlfiren/bolt,romulo1984/bolt,GawainLynch/bolt,CarsonF/bolt,nikgo/bolt,Raistlfiren/bolt,cdowdy/bolt,Intendit/bolt,GawainLynch/bolt,bolt/bolt,romulo1984/bolt,cdowdy/bolt,CarsonF/bolt,bolt/bolt,joshuan/bolt,nikgo/bolt,cdowdy/bolt