chore(package): update rimraf to version 2.4.4
chore(package): update rimraf to version 2.4.4

http://greenkeeper.io/
Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,dferber90/eslint-plugin-meteor,runarberg/eslint-plugin-meteor,Hansoft/meteor