Add github colorscheme for HTML editing
Add symlink to xmledit vim plugin

This plugin automatically closes tags in XML and optionally HTML
Remove the snippet directory in vim in favor of vim-snippets

The vim-snippets project on Github hosts a series of snippet files
that are preferable to storing all the snippets in this config repo
Add properties for various plugins

SuperTab: set default completion type to "context"
Syntastics: ignore issues with Angular "ng-" attribute
xmledit: add the property to enable HTML completion in off state  (default)