Make widget defer rendering properly.
Don't render the content if widget set deferred.
Modified / rewrote RateIt ext. to support multiple widgets
Setting version number to "1.6.2 RC" to roll out a test-release.
Setting version to 1.7-dev. this is master.
Setting version to 1.6.2 RC in release/1.6 branch
A few less 'console.log' statements won't hurt.
Fixed HTML output from revamped RateIt extension.

"I made a boo-boo and showed it to Professor Hawking! *faints*"
Duplicate attribute in RateIt HTML output fixed.
Merge branch 'release/1.6'

Conflicts:
	app/src/Bolt/Application.php
Merge pull request #1189 from ntomka/widget_defer

Widget defer