refactored dialogs
cosmetics
prepared 1.5.0
updated category for 1.5.0
added information about failed configuration to assert exception from
jUnit
added test class and model for experiments with runners
removed warnings
Merge branch 'dev-execute_test_from_gui'

Conflicts:
	ecfeed.feature/feature.xml
	ecfeed/META-INF/MANIFEST.MF