Update translations (autogenerated message)
Merge pull request #3334 from edx/rc/2014-04-14

Rc/2014 04 14
Merge pull request #3151 from edx/jmclaus/disable_hd_control_when_hd_qualities_not_available

Disable HD control when HD is not available [BLD-937]
Merge pull request #3337 from edx/sarina/041314-language-update

Update translations (autogenerated message)
Fix unit test.
Merge pull request #3240 from edx/dcadams/enhanced_metric_reporting

This makes the metrics tab "bars" clickable.
Release Apr 14, 2014
Merge pull request #3340 from edx/anton/fix-unit-test

Fix unit test.
Merge branch 'release'

Conflicts:
	cms/templates/widgets/source-edit.html
Merge branch 'master' of github.com:edx/edx-platform
updated pdf viewer
Merge pull request #3342 from edx/sanchez/ora2-2014-04-14

Release Apr 14, 2014
Added analytics event logging to PDF book viewer
Merge pull request #3243 from edx/dcs/pdfbook-logging

Added analytics event logging to PDF book viewer
Add more granular pageview tracking, update Segment.io snippet
Add comments explaining analytics improvements
Remove page view events corresponding to Drupal pages
Multiple-choice features

Features by Jeff Ericson and Nick Parlante squashed
down to one commit.

-shuffle of choices within a choicegroup (Nick)
-answer-pool subsetting within a choicegroup (Jeff)
-masking of choice names within a choicegroup, (Nick)
 used by shuffle and answer-pool
-targeted-feedback within a multiplechoiceresponse (Jeff)
-delay-between-submissions capa feature (Jeff)
Merge pull request #3302 from edx/renzo/analytics-improvements

Add more granular pageview tracking, update Segment.io snippet
Merge pull request #1499 from edx/nick/shuffle-question

Shuffle feature for multiple choice questions