Fix to support multiple instances adding a wrapper context for toolbar's bindings
Merge branch 'fix-multiple-instances' of github.com:brutuscat/bootstrap-wysiwyg

This combines the #68 change where FF throws an error and #103 where it supports multiple instances thanks to @brutuscat

# By Mauro Asprea
# Via Mauro Asprea
* 'fix-multiple-instances' of github.com:brutuscat/bootstrap-wysiwyg:
  Fix to support multiple instances adding a wrapper context for toolbar's bindings

Conflicts:
	bootstrap-wysiwyg.js