include all launch config properties in the return

make all properties available when registering the result
which is useful when wanting to launch a stand-alone instance based upon
an existing Launch Config.
Merge branch 'ec2_lc_user_data' of github.com:robbwagoner/ansible-modules-core into ec2_lc_user_data

Conflicts:
	cloud/amazon/ec2_lc.py
Merge branch 'ec2_lc_user_Data' into launch_config