API v2: Various tweaks: * Added a manifest file to make './setup.py sdist' work correctly. * Added a test to make sure documentation renders correctly on regular html GET requests (which it didn't, so made the main request trap slightly more lax). * Fixed all test classes to properly implement inheritance (call 'home' to setup logging for instance). * Made logging finally work. Makes it much easier to find the right spot in the environment log. Useful, Olemis - thanks.