Updated html5 plugin

Fixes syntax for <certain-unknown-html-tags />
Updated javascript plugin
Add vim-json plugin & using jsonlint for json files
Update html5 - fixes issue  #51 - indent for custom tags
Fixes syntax highlighting problem in some js files
Added shortcut for unite mru list
Use html syntax for ejs files
Don't use jsxhint
Updated syntastic
Added instant-markdown plugin
Add tern_for_vim plugin
Updated html5 plugini - fixed issue #48

Fixes indent inside scripts tags of type ng-template.
Configure airline tablines when in terminal vim
Use powerline fonts in airline
Update airline
Use default airline theme - matches colorscheme
Spacing/comment
Remove mswin.vim and reduce difference between cli & gui mappings
C-g to exit visual/select mode
Make sure vim checks for external file changes

This worked out of the box with gvim, but terminal vim needs some help