issue ENBTT-138: Domänen-Testframework Veröffentlichung vorbereiten
http://jira.domologic/browse/ENBTT-138
Build-Skripte umstellen
removed FIXME, handled concurrent modification exception
added snapshot methods
issue ENBTT-133: Umbau für Domänen-Test-Framework
http://jira.domologic/browse/ENBTT-133
snapshot only on test failure
Squashed commit of the following:

commit 4bd6c90fe11fc4016865dd9d9fdedac4f2ab0f43
Author: seiler <r.seiler@domologic.de>
Date:   Tue Jul 29 10:32:31 2014 +0200

	refactored interfaces

commit ed962ae2f1840b7019180cf46707a462a9757eb5
Author: seiler <r.seiler@domologic.de>
Date:   Mon Jul 28 16:12:06 2014 +0200

	added input- and output- resource-file-getters

commit 29a0f8cf3f41bc1f531fee5dbb2e5c1167ff3f47
Author: seiler <r.seiler@domologic.de>
Date:   Mon Jul 28 15:20:00 2014 +0200

	added getResourcePathPrefix()

commit 0f083f4246f4eb7035fcad634f4cd6e4b8120993
Author: seiler <r.seiler@domologic.de>
Date:   Mon Jul 28 11:25:35 2014 +0200

	video attachement path is now absolute
Merge remote-tracking branch 'scmdomo/master'

Conflicts:
	.classpath
	build.gradle
	gradle.properties
	src/main/groovy/de/domologic/test/framework/AbstractSpecification.groovy