Merge pull request #40 from chmanchester/master

Basic docs for Mozhttpd
Various formatting/consistency fixes for the docs
Use consistent formatting for module names, descriptions in docs

Also update various package descriptions at the same time.
Add mozhttpd to docs path
Bug 805440 - Mozrunner installed from pypi when running setup_development.py;r=mcote
bug 806101 - remove docs.manifest
Don't reference a placeholder version number in docs header
Consistent spelling of mozbase
Add an overview document
Order documentation by topic, remove overview
Grammar thinko/typo
Add sphinx-based documentation for mozb2g
Bug 806117 - Add support for installing sphinx as an extra package;r=jhammel
Bug 807841 - Use rm -r to delete directories. r=jmaher
Merge pull request #43 from wesj/master

Bug 807841 - Use rm -r to delete directories. r=jmaher
Fixup location of mozfile in docs
Fixup mozb2g's doc header
Don't actually need to manually import modules for docs anymore

So long as docs are updated inside the virtualenv, we're good to go now that
we have sphinx installed.
Bug 807841 - Reduce polling interval when calling adb;r=jmaher
Bug 806117 - Fix breakage in versionbump.py;r=mcote