image id added to RIMDsl.xtext
new test added for drill down id
Drilldown changes for rimdsl - ImageId and unit test for image id added
Merge remote-tracking branch 'upstream/master' into rimdsl-changes-for-drilldown
TransitionSpec id added to RIMDslgenerator
rename unittest test file name and id name changed to LinkId
rename function in transition builder imageId to linkId
Merge remote-tracking branch 'upstream/master' into rimdsl-changes-for-drilldown

Conflicts:
	interaction-dsl/com.temenos.interaction.rimdsl/src/com/temenos/interaction/rimdsl/generator/RIMDslGenerator.xtend
Merge remote-tracking branch 'upstream/master' into rimdsl-changes-for-drilldown
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
linkId & unit test for linkId added in Transition class
Merge remote-tracking branch 'origin/master' into rimdsl-changes-for-drilldown

Conflicts:
	interaction-dsl/com.temenos.interaction.rimdsl/src/com/temenos/interaction/rimdsl/RIMDsl.xtext
duplicate test removed
Merge remote-tracking branch 'origin/rimdsl-changes-for-drilldown'
update constructor to initialize Properties to avoid NullPointerException at runtime. The problem was reported in Github Issue https://github.com/temenostech/Hothouse/issues/711
Merge remote-tracking branch 'upstream/master'
Integration test added for linkId
linkId added in interaction-core classes
integration test added in build iris build
AtomEntryFormatWriter changes to add LinkId