support for inplace update
fix intermittent test failures
Merge pull request #158 from jgawor/inplace

Support for inplace update for create-vars.rb
separate app dir paas behavior from container behavior
Merge pull request #159 from spaungam/herokupath

separate app dir paas behavior from container behavior
revise ibmjdk tests to support service release differences
Merge pull request #161 from spaungam/ibmjdkspec

revise ibmjdk tests to support service release differences