Remove post install message from 0.5.0
Remove post install message from 0.5.0

Closes #164

vahtel/griddler,seanscal/griddler,vahtel/griddler,firepoint/griddler,ValiMail/griddler,ValiMail/griddler,joeadcock/griddler,firepoint/griddler,wingrunr21/griddler,muthhus/griddler,joeadcock/griddler,seanscal/griddler,r38y/griddler,ValiMail/griddler,danavery/griddler,RubyDaily/griddler,Inchdev/griddler,muthhus/griddler,vahtel/griddler,firepoint/griddler,wingrunr21/griddler,thoughtbot/griddler,RubyDaily/griddler,RubyDaily/griddler,Inchdev/griddler,danavery/griddler,wingrunr21/griddler,r38y/griddler,joeadcock/griddler,pipefy/griddler,thoughtbot/griddler,pipefy/griddler,pipefy/griddler,danavery/griddler,muthhus/griddler,seanscal/griddler,r38y/griddler,thoughtbot/griddler,Inchdev/griddler