[#83332368] building from existing wercker step base

leveraging the existing wercker step code snippets
we were able to get a first pass at a ENV Variable
getter from an application running in PCF.
[#83332368] url string constants

adding in a urls string constant so we dont
have hardcoded values sprinkled around
[#83332368] url string constants

adding in a urls string constant so we dont
have hardcoded values sprinkled around