Add i18n work from Stefan Baecker
Merge branch 'master' into i18n_merge_in

Conflicts:
	assessment/showtest.php
	course/course.php
started work on i18n for javascript. Need to load in javascript files with translations
Add javascript i18n messages
Merge branch 'master' of github.com:drlippman/IMathAS into i18n_merge_in
Update de/messages.js translation file
Add ndash entity cleanup to math plugin
Add "un-use latepass" link to calendar display
Bug fix huntington-hill apportionment, socchoice macros
Add ancestor tracking to course and assessment copies
Move template course / self-enroll course designation to course settings and database instead of config.php
Move guest account course access to course settings and db
Add content link tracking
Add i18n fallback handling for when gettext is not installed
Add ability to set gb order from outside gbsettings
Finalize content tracking
Push updated of general.js in headers
Add content track to linkedtext link via calendar
Add rectrack.php file for recording content tracking
Add question numbers in Embed display
Add Previous/Next links at bottom when paginated Embed is used
Merge branch 'master' of github.com:drlippman/IMathAS