Bump to v1.5.0
Bump to v1.5.0

cgvarela/osx-installer,lakwarus/c5-osx-installer,boot2docker/osx-installer,boot2docker/osx-installer,yut148/osx-installer,cgvarela/osx-installer,JoeWoo/osx-installer,lakwarus/c5-osx-installer,yut148/osx-installer,JoeWoo/osx-installer