Add sublimetext2.rb

I’m adding the cheat sheet for Sublime Text 2.
Add HTTP status code cheatsheet
Tweaked intro.
Add additional Rails symbols
Split Rails-specific information into a separate cheatsheet.
Merge pull request #10 from pertrai1/master

Add of Sublime Text 3 cheatsheet
Standardise Sublime Text 3 cheat sheet
Merge pull request #11 from npv33/master

Sublime Text 2 cheat sheet
Standardise Sublime Text 2 cheat sheet
Merge pull request #12 from jbrowning/http_status_codes

HTTP Status Codes with Rails Symbols
Standardise HTTP Status Codes
Atom Cheat Sheet
Credit fix

Bugsnag, not Bugshot
Merge pull request #13 from domjitsu/atom-cheat-sheet

Atom Cheat Sheet
Standardise Atom cheat sheet
Remove "Shortcuts" from name of "AppCode" and "Xcode", to get in line with the naming of the other cheat sheets
Update from changes of Kapeli
Added .DS_STORE to .gitignore
Added Chrome Developer Tools cheat sheet
Merge branch 'master' of github.com:pertrai1/cheatsheets

Conflicts:
	cheatsheets/Sublime_Text_3.rb