Update version number for 1.4.6
Remove duplicate dev dependency
Update code style of language files
Remove /build directory
Refactor code into modules

Refactored the code into modules.
Rewrote the unit tests.
Added manual tests.
Fixed some bugs that were found while refactoring.
Update minified version
Merge branch '1.4.6-dev' of github.com:samclarke/SCEditor into 1.4.6-dev

Conflicts:
	CHANGELOG.txt
	src/jquery.sceditor.js