Bug 807277 - Update the list of modules currently supported by Fennec

- Added modules' compatibility list on documentation
- Updated css
Removed the setTimeout in favour of a tab's ready event. If it is a timing issue, that should fix the problem.
CoverObject, work in progress (bug 789401)

Discussion of method and approaches:

    https://bugzilla.mozilla.org/show_bug.cgi?id=789401

Recipe for usage at:

    https://gist.github.com/3900355
applied review's suggestion
Merge pull request #624 from gregglind/coverage

Bug 789401 - CoverObject, work in progress r=@gozala
Merge pull request #704 from ZER0/mobile-list/807277

Bug 807277 - Update the list of modules currently supported by Fennec
Hotfix issues introduced by 2b94404eec571cafcc3c856caffaa4b29c5b52eb a=@gozala
Put our python libraries first in the path to override any system installed mozrunner.
Merge pull request #716 from Mossop/bug719206

Bug 719206 - Put our python libraries first in the path to override any system installed mozrunner. r=jhammel
fix for bug 827614 - FAIL: test_generate_static_docs (cuddlefish.tests.test_generate.Generate_Docs_Tests); r=@mossop
Merge pull request #712 from ZER0/selection-test-failed/824115

Bug 824115 - error: addon-sdk: TEST FAILED: test-selection.test Selection Listener on document reload
Fix bug 749772 -  Hotkeys documentation should give some guidance about acceptable hotkeys; r=@mossop
Print total time for all tests in cfx testall. r=gozala
Fix apparent documentation bug with module requiring
Merge pull request #725 from brettz9/doc-module-require-fix

Fix apparent documentation bug with module requiring
disabling private-browsing tests
Merge pull request #727 from erikvold/pb-tests-disable

Disabling private-browsing tests r=@Mossop
Fix for bug 826406 - Updating widget.contentURL breaks communication between content script and main; r=@erikvold
Bug 808066 - Google custom search button doesn't look like a button; r=@erikvold
merge from master; update review comments