added tests for java job description
added more tests for java job description, added explicit support for JavaJobDescription to local adaptor
finished test for JavaJobDescription
Merge remote-tracking branch 'origin/develop' into feature/javajobdescription-tests

Conflicts:
	test/src/nl/esciencecenter/octopus/jobs/JobDescriptionTest.java
Merge pull request #161 from NLeSC/feature/javajobdescription-tests

Feature/javajobdescription tests