fix(bower): Fixes angular bower dependancy to support 1.3.0

Closes #358
chore(gruntfile): Fix spelling error in gruntfile
fix(taTools/wordcount): Wordcount tools more accurate and tests
feat(taBind): Add paste from word converting.

Note that phantomjs struggles with these tests so some don't run. As far as I have tested they work anyway.

Sponsored by smartorg.com
fix(taBind/paste): Fix pasting of HTML/Word/Text content.

Fixes pasting of HTML, word and text content into the taBind, supports all browsers and maintains/converts formatting.
Fix sponsored by smartorg.com.

BREAKING CHANGE: Rangy-core and rangy-saveselection are now required libraries.

Fixes #124, #298, #357, #305, #255
chore(release):

Releases 1.3.0-pre5.