Filetype is HTML, indent file not needed anymore
Source handlebars files

Since filetype was changed to HTML, ftplugin/handlebars.vim is not
loaded. This commit fixes that.
Better matchit support
Give .hbt files some love
Merge pull request #13 from JonDum/master

Give .hbt files some love
Also detect handlebars files with .erb extension
lose indent ref
Merge pull request #16 from ibroadfo/patch-1

lose indent reference
Add handlebars filetype as well

To support the [Handlebars checker](http://git.io/QrGUQw) in Syntastic.
Merge pull request #18 from mutewinter/handlebars_filetype

Add handlebars filetype as well