added start to finish instructions for getting set up to contribute to rspec
added start to finish instructions for getting set up to contribute to rspec

git-svn-id: f1a1267e29db6ed751edc5bdb54cf7d87c16124a@1786 410327ef-2207-0410-a325-f78bbcb22a5a

dchelimsky/rspec-stories,chip/rspec-tmbundle,mrkn/rspec,patmaddox/rspec,rspec/rspec.tmbundle,dchelimsky/rspec,infininight/rspec-tmbundle,alitalia/rspec,infininight/rspec-tmbundle,patmaddox/rspec,alitalia/rspec,die-antwort/rspec-tmbundle,dchelimsky/rspec-stories,weplay/rspec-rails,dchelimsky/rspec,rspec/rspec.tmbundle,drnic/rspec-rails,dchelimsky/rspec-rails,graaff/rspec,phinze/rspec,mcmire/rspec-rails,die-antwort/rspec-tmbundle,patmaddox/rspec2rails2