Release Name: 0.3.0

Notes:
Another internal TW release, with unified command-line 
interface, customizable build behavior, somewhat more 
useful (although still very primitive) dashboard, 
and a bunch of bugfixes/enhancements driven by the 
attempts to use earlier version on real-life Rails gigs. 

With this release, we are much closer to the "CI server 
that just works out of the box" ideal.


Changes:
  - builder is building 'cruise', 'test' or 'default' target, depending on what is defined in the project
  - when build is running, OS variable CC_BUILD_ARTIFACTS is pointing to the build artifacts directory
  - customizable Rake task and build command
  - customizable polling interval
  - Handling of build loop errors (other than 'Build Failed')
  - improved logging
  - if builder is invoked with --trace option, it calls Rake with --trace option, too
  - Bugfix: explicitly require 'rubygems' before trying to require 'rake', do not rely on RUBYOPT=-rubygems to be set.
  - Bugfix: Adding a project a second time deletes the original
  - Bugfix: Parsing SVN log output for a revision made by anonymous author