First commit of experimental mobile branch

Two ideas: 1) a straight Bootstrap UI would be faster, better than
jquery mobile. 2) I shouldn't have to write all of the server side
code again; that's the point of seperation of concerns, right?
Add mobile case list
Add basic layout for Bootstrap version
Add inner case page, values
Add case notes
Add subnavigation for section tabs
Fix mobile detect so session variable is correctly set
Add navigation for nested pages; deal with bad file path naming convention
Add basic mobile document browsing
Add a date and time picker for mobile
Begin work on quick add features
Add latest version of chosen for jQuery 1.9 compatibility in mobile
Fix minor error in nav
Add jquery validate for mobile forms
Add custom validations
Modify nav options to make choices clearer to user
Add quick add for case notes in mobile
Fix to desktop Quick Events

Previous code did not automatically select "You" as one of the
event viewers.  Also fix how form is reset to enable correctly
entering events one after the other.
Add basic events create for mobile
Add method for advancing dates on mobile events