removing prettify implementation

- js files removed. file was loading through tree, so no dependency removal was required.
- css files removed. since stylesheet load was done manually, application.css had to be altered.
Merge pull request #69 from dmill/uglification

removing prettify implementation
Merge pull request #68 from dmill/refactoring-tabs-menus

Adding color key to css file
Fixing Add Repo button for when there are 5 projects

* At five projects, add project button displays max projects message instead of edit project buttons displaying it
Merge branch 'master' into refactoring-tabs-menus
Replacing html markdown container that was deleted previously

* Adding divs back in
* Removing html container css class since markdown should not be centered
* Adding title for container to tell user what it's for