Added Greg's bash contrib script for running mailcatcher in screen
Added Greg's bash contrib script for running mailcatcher in screen

okinaka/mailcatcher,saisai/mailcatcher,sj26/mailcatcher,intentmedia/mailcatcher-jruby,sj26/mailcatcher,globaldev/mailcatcher,intentmedia/mailcatcher-jruby,Noxa/mailcatcher,MacroMackie/mailcatcher,excepttheweasel/mailcatcher,TuffLuck/mailcatcher,iFixit/mailcatcher,TuffLuck/mailcatcher,iFixit/mailcatcher,globaldev/mailcatcher,MacroMackie/mailcatcher,CloCkWeRX/mailcatcher,SilverCG/mailcatcher,Noxa/mailcatcher,SilverCG/mailcatcher,saisai/mailcatcher,okinaka/mailcatcher