Rework of my pull request #18:
* Implement "go to next" buttons in pyfile UI
* Improve filter on main UI to persist over page reloads
* Hide totals table footer if hiding any rows, as values will be inaccurate
* Implement live filtering of index table rows
* Upgrade to jQuery 1.11.1
* Respond to pull request #18 comments
* Do not try to jump to line if we can't find a matching target.
Merged ned/coveragepy into default
Address comments from pull request 34 (https://bitbucket.org/ned/coveragepy/pull-request/34/rework-of-my-pull-request-18/diff):

* Remove fixed header and header buttons in file details page.
* Add dynamically summing footer values.
Merged ned/coveragepy into default
* Remove "source indicator" CSS from removed feature.
* Merge changes from head.
Merged in dannya/coverage.py_2 (pull request #34)

Rework of my pull request #18: