Chomp the newline at the end of file created by cloud-init

Chomp new line at the end of facts read from files created by cloud
init. Make variables same for use in ERB.

Changes:
	modified:   modules/condor/lib/facter/central_manager.rb
	modified:   modules/gce_node/lib/facter/cloud_name.rb
	modified:   modules/gce_node/lib/facter/cloud_type.rb