Project cleanup, Bootstrap 3.1.1, Font-Awesome and Grunt usage
* fixed some demo js errors (missing files, etc)
* wysihtml5 and bootstrap-wysihtml5 are now joined in a single file
* all bootstrap-wysihtml5 css are joined in a single less file
* updated jquery to 1.11.1
* a wysihtml5-textarea class is added to the textarea when entering in html mode
* all glyph icons are replaced with the Font-Awesome ones
* lib/ renamed to /vendor
* other minor source code improvements and changes (reduce amount of external files, etc)