Add Doxyfile to the repository, along with integration in CMake. Run "make doc" to compile the documentation into doc/.
Remove old DaZeus 1 to DaZeus 2 database conversion script.
Move protocol.txt out of the now-generated doc/ directory.
Convert protocol documentation to Doxygen format and update it
Update the files and directories that are added to the documentation.

* Include only the "src" directory of libdazeus-irc
* Explicitly include libdazeus-qt, as globbing didn't seem to work
* Include the 'misc' directory with protocol documentation
Add documentation for the main page
Fix the link to dazeus.github.com, the ; was misinterpreted by Doxygen
Merge branch 'master' of github.com:dazeus/dazeus

Conflicts:
	doc/protocol.txt