Use immutable collections for user options
Fix and rename test script zanataj to zanata-cli
Enable script to run from any directory
Merge branch 'fix-zanata-cli' into immutable-collections

Conflicts:
	pom.xml
	zanata-cli/pom.xml
	zanata-client-commands/pom.xml
	zanata-maven-plugin/pom.xml
	zanata-rest-client/pom.xml
Merge pull request #20 from zanata/immutable-collections

:+1: Verified.