added rbenv file to gitignore
added rbenv file to gitignore

call4paperz/call4paperz,lucianosousa/call4paperz,maurogeorge/call4paperz,lucasrenan/call4paperz,lucasrenan/call4paperz,lucasrenan/call4paperz,ricardovaleriano/call4paperz,lucianosousa/call4paperz,call4paperz/call4paperz,lucianosousa/call4paperz,call4paperz/call4paperz,ricardovaleriano/call4paperz,ricardovaleriano/call4paperz,ricardovaleriano/call4paperz,maurogeorge/call4paperz,lucianosousa/call4paperz