style changes on abstract page, and for sticky search bar
Added paper-network widget.
Fixed the failing test, .children is not always available
Cleaned up the code and tests.
Cleanup
Merged #188
Made one of the tests of the paper-newtork be skipped when in PhantomJS
Fixed the missing condition for skipping phantomJS test
Updated gruntfile coverage % to take into account phantomjs limitations
Merge pull request #197 from aholachek/abstract-style

style changes on abstract page, and for sticky search bar
Closing #164 - resizing of the 3col view
widget works, and tests work, but need to decide what to do when there are no suggested articles
recommender widget works, tests pass