Allow the ability to register global bind events.

Sometimes you just want to run stuff every time you switch breakpoint.
Version bump.
Write docs for bindGlobal
Content attribute

Switch breakpoint name from data attribute to content attribute.
Merge pull request #8 from geelen/master

Add the breakpoint class to HTML before DOMready
Merge pull request #9 from jonathantneal/master

Switch breakpoint name from data attribute to content attribute.
Added missing semicolon. (jshint)
Updated grunt to 0.4.0
+ Grunt plugins
Updated grunt environment to use jshint, uglify.
Added a .gitignore
Added grunt dep.
Updated travis yaml to install grunt cli
Update node for travis
Get stuff passing jslint and tests again.
Added onBreakpointChange (single point to register events)
Update the readme and version number.
Actually version bump (and remove old package.json)
I tell a lie, we still need this.
Tidy up deprecated bind function.
For accuracy's sake.