Merge pull request #2 from moshen/master

Removed NetBeans stuff and localjQuery global -- thanks
Create LICENSE.md
Added scaling of day name titles
remove options from prototype and making as global 'settings' within context of widget. better compatability
code tidy
rationalising of Message Overlays into one overlay object.
new MessageOverlay to use settings values for message text.
error message on failure of ajax load
added render start message
updates to examples
Mobile ui touch events
Merge branch 'master' of https://github.com/cjgwhite/jquery-timetable.git
Mobile performance improvements --
more Mobile performance improvements --
margin adjustments
Improve overlay z-indexing
mobile/dayViwe day change improvements
remove daychanges when not in dayView
Change layout, add zindex to activities, classes

- Layout changed so the tt-day elements are on the bottom, then tt-hour
- Added zindex to activities to bring them to the top
- Added roles to tt-day and tt-activity elements, this lets the grid to
  be treated as a grid by screen-readers and keyboard users
- Added aria-hidden to hour rows/columns, we include the time data
  within the tt-activity for screen readers
Adds tt-today class to the tt-day that is the dow

Also adds a style for tt-today in the example