Remove global reference to improve performance
Merge pull request #153 from rison/master

Remove global reference to improve performance
Check isContentEditable property.  Fixes #138

This may break support for content editable in Firefox 3 or some
version of IE, but it should be fine.
Increase version to 1.4.5
Pass sequence through to stopCallback. Fixes #156

This means we can tell if the combination is part of a sequence and
what sequence it is part of.
Merge branch 'master' of https://github.com/ccampbell/mousetrap

Conflicts:
	mousetrap.js