Move "isURL" function, because it is not specific to RedHat.
Move "isURL" function, because it is not specific to RedHat.

ngkim/cloudify-recipes,CloudifySource/cloudify-recipes,ngkim/cloudify-recipes,CloudifySource/cloudify-recipes,CloudifySource/cloudify-recipes,CloudifySource/cloudify-recipes,CloudifySource/cloudify-recipes,ngkim/cloudify-recipes,ngkim/cloudify-recipes,ngkim/cloudify-recipes,ngkim/cloudify-recipes,CloudifySource/cloudify-recipes,ngkim/cloudify-recipes