Add License Header
Add boolean attribute recognition

+ class=foo
+ new lines support between tag/attribute and next attribute
- removed unneed `ac-source-html-attribute-2`
Merge pull request #9 from osv/fix-regexp

Removed unneed ac-source-html-attribute-2
Fixed typo error
Add haml support - issue #1
Add contribution.
Fix issue #10
Setup cask and test.
Fixed bug #11
Fix malformatted header line
Merge pull request #12 from purcell/patch-2

Fix malformatted header line