Added Grunt

- Featherlight checks for jQuery and throws an error if not loaded
- Some jslint improvements
– Moved minified files to release/folder
- Using grunt
0.1.12
Revert "0.1.12"

This reverts commit 063536a09fb843d56f915d1ab4b26125c5345a2a.
Updated grunt config
Added source-index
Added closing and opening speed

And fixes
Added closing and opening speed
Updated for grunt
Updated grunt
Added closing and opening speed
Removed bump from grunt
Release Version 0.1.12
Merge branch 'master' of github.com:noelboss/featherlight