avoid unnecessary processing of the repository files in release and compile phases
explicitly read/write xml files using UTF-8 encoding, improve xml file formatting
avoid unnecessary index.yml processing for detect phase
Merge branch 'master' of https://github.com/cloudfoundry/ibm-websphere-liberty-buildpack
fix for executable jars without a class path and some document updates
join added for multiple class path entries
Merge pull request #67 from stopyro/master

explicitly read/write xml files using UTF-8 encoding, improve xml file f...
Merge pull request #70 from Samuel1989/master

Fix for executable jar with no class paths
Merge pull request #69 from spaungam/master

Avoid unnecessary processing of index.yml file