Squashed commit of the following:

commit 5c74898729c9aa87ad30801fd4f5d08dbb205878
Author: Gaurav Mittal <gaurav.mittal@students.iiit.ac.in>
Date:   Fri Aug 29 23:54:03 2014 +0530

    Added MockCommon in balance_view_test.js

commit 161001a203090aa00b0e524036987e26eb4a1ec3
Author: Gaurav Mittal <gaurav.mittal@students.iiit.ac.in>
Date:   Tue Aug 26 23:54:37 2014 +0530

    Clean up MozL10n API use in Cost Control #1057795

    Correcting errors for previous commit

    Removing errors

    Removing additional errors

    Minor changes

    Changes

    Changes

    Changes

    Changes

    Making Linter Changes

    rebaseing some changes

    Changes

    Changes

    Linter update