Add help text to Contribute page
Add help text to Jamaican Psalms project

The "Ways to Help Improve the Translation" text is specific to the
Jamaican Psalms project, and should not be in the generic Contribute
page.
Merge branch 'master' into feature/contributepage

Conflicts:
	src/views/pages/learn_contribute.html.php
Remove extra, unneeded container div

Also make indentation levels a little more sane.
Merge remote-tracking branch 'origin/master'