Removing more code duplication between tracd and trac.cgi
Use same arg (get/post) parsing code for both trac.cgi and tracd.
Added feature description README.
Added branch for diff support.
Added description(s) for feature(s).
Removed unnecessary branches entry.
Fixed spelling error in util.py
Added search-form in the page header. Fixes #211.
Attachment support now expects env var TRAC_ENV
Switched from camelcase to using underscores.