cleaned up some redundant JS files

fixes #11
improved header & notifications markup
removed redundant sidebar.php
improved subhead markup
removed HTML5shiv, added modernizer
removed some more redundant header stuff
improved header scripts
Merge pull request #17 from bigspring/master

Merge master branch issue fixes into WIP branch
Fixes #8 #9 #16

- confirmed profanity file removed
- user login/logout routes set to controller level in URI
- created SQL setup file for users
- provided basic install instructions in readme
added user_groups default row insertion

insert SQL to create 'user' and 'admin' user types in user_groups table
added .htdocs reminder to readme
fixes #20
fixes #22 userform now displays correctly
fixes #25 corrected views and form_helper
fixes #25 minor fix
Merge branch '0.1.1-wip'

Conflicts:
	.htaccess
	app/config/database.php