Version 0.8.1

Since 0.8 (beta 2 release):
 * Icons on status buttons
 * Rewrote the docs, now 'tour'
 * Fix roadmap view on iPads

With the release of 0.8, the major
engineering work for 1.0 is complete,
and releases between now and then
will be focused on improving the
usability and documentation of the
existing features.