Updated Bootstrap to 3.1.1

Fixes teamwork/node-webkit-base-app#3
Merge pull request #7 from ripexz/master

Mousetrap used for key events instead
Merge pull request #6 from adam-lynch/bootstrap-3

Updated Bootstrap to 3.1.1
Merge pull request #8 from ripexz/key-catcher-fix

Fixed key catcher to work correctly with Mousetrap (key arrays, etc)
Added gotchas :)

Kinda solved the afk issue on windows.
Update README.md
Merged from upstream