* Fix all stylelint errors
For any errors that fixing would require changing the output of the css disable stylelint for that line instead of modifying.
* Update quality.py
Make stylelint quality check pass when there are no errors
* Delete empty selectors
Whenever user selects a beta language on account settings page,
show a page level warning message that this language is not
fully translated along with action to revert.
LEARNER-5654
LEARNER-1859
Added fields to add social links to the user account settings file.
Added icons to the user profile when these links are set, only shown
when users show their entire profile. Added jasmine tests for account
settings and learner profile pages. Added python unit tests to test
validation on the user account.
