Update docs. Correct errors reported by setup.py build_docs. Add rest interface and link to rest doc to features page. Add link to xmlrpc doc to features page. Add rest doc to index. Update rest doc, hopefully clarify confusing use of parameters in patch action section. Fix code examples in "Adding new rest endpoints" section. Fix example adding import of exception.

This directory contains alternate front-ends for Roundup.

roundup.cgi
   This is a cgi-bin script.

ZRoundup
   This is a simple Zope frontend that installs as a regular Zope product.

See Roundup's doc/installation.txt for more info on installing these
frontends.