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Update translations (autogenerated message)
Merge pull request #3235 from edx/sarina/040714-language-update

Sarina/040714 language update
Update Segment.io snippet, add more granular pageview tracking
This adds 4 specific page() events for tracking views of the home page, the registration page, the login page, and 'other' pages.
Expand pageview tracking and add enrollment count tracking
Now includes tracking of Course Listing and Course About pages, in addition to registering a rough Enrollment Count as a user superproperty; the current enrollment count is never decremented, and counts the number of courses a user has ever enrolled in.
Track views of Dashboard; add Registered trait to identify calls, always true