Establish documentation network.

[dtgay]

This is already in-progress, but I'm opening a ticket for it.

• [x] Start a Tahrir RTFD
• [ ] Start a Tahrir-API RTFD
• [ ] Make Tahrir-API a subproject of Tahrir on RTFD
• [ ] Link Tahrir and Tahrir-API docs in Sphinx-land using the Intersphinx module
• [ ] Add content from Tahrir readme to RTFD
• [ ] Add content from Tahrir-API readme to RTFD
• [x] Clean up Tahrir readme
• [x] Clean up Tahrir-API readme
• [ ] Link to Fedbadges documentation
• [ ] Add content from my badges repo at https://github.com/oddshocks/badges
• [x] Update the Fedora Wiki page (https://github.com/fedora-infra/tahrir/issues/132)
• [ ] Write a little about how to use Mozilla's interface to embed your badges on websites