Remove Gemfile.lock
Remove Gemfile.lock

See
http://yehudakatz.com/2010/12/16/clarifying-the-roles-of-the-gemspec-and-gemfile
for the rationale

Fixes #196

increments/greenmat,liquorburn/redcarpet,kaneshin/redcarpet,gitcafe-dev/redcarpet,kattybilly/redcarpet,emq/redcarpet,vmg/redcarpet,Hacker0x01/redcarpet,JuanitoFatas/redcarpet,kattybilly/redcarpet,liquorburn/redcarpet,vmg/redcarpet,be9/redcarpet,Hacker0x01/redcarpet,vmg/redcarpet,kaneshin/redcarpet,fukayatsu/redcarpet,kattybilly/redcarpet,increments/greenmat,increments/greenmat,emq/redcarpet,be9/redcarpet,Hacker0x01/redcarpet,kattybilly/redcarpet,JuanitoFatas/redcarpet,kaneshin/redcarpet,liquorburn/redcarpet,fukayatsu/redcarpet,be9/redcarpet,liquorburn/redcarpet,fukayatsu/redcarpet,emq/redcarpet,increments/greenmat,vmg/redcarpet,JuanitoFatas/redcarpet,kaneshin/redcarpet,fukayatsu/redcarpet,emq/redcarpet,be9/redcarpet,Hacker0x01/redcarpet,gitcafe-dev/redcarpet,gitcafe-dev/redcarpet