~/.env: ruby 2.1.0 is the current ruby.

.env

		PATH="$bindir:$PATH"
	done
}
add_to_path .bin .cabal .gem/ruby/2.0.0/bin erlang-git
add_to_path .bin .cabal .gem/ruby/2.1.0/bin erlang-git
add_to_path  ~/.lang_*
export M2_HOME=/opt/maven