Added signalling in JobQueue to speedup waitUntilDone
Added more tests for newOctopus. Fixes #156. Adaptors check properties more strictly. Fixes #165. Made OctopusEngine constructor private. Fixes #166.
Refactored SSH adaptor and fixed #167. Fixed InterSchemeMoveTest
Merge remote-tracking branch 'origin/develop' into feature/scripting-tests

Conflicts:
	src/nl/esciencecenter/octopus/adaptors/gridengine/GridEngineAdaptor.java
	src/nl/esciencecenter/octopus/adaptors/local/LocalFiles.java
	src/nl/esciencecenter/octopus/adaptors/slurm/SlurmAdaptor.java