Updated the ChangeLog for 0.2.4.
Updated the ChangeLog for 0.2.4.

JeanMertz/chruby-fish,regularfry/chruby,kbrock/chruby,kbrock/chruby,postmodern/chruby,eunomie/chgo,JeanMertz/chruby-fish,ilikepi/chruby,eunomie/chgo,regularfry/chruby,postmodern/chruby,ngpestelos/chruby,ngpestelos/chruby,rstacruz/chruby-fish,rstacruz/chruby-fish,ilikepi/chruby