fix archetype icon test file
#7 Use SLF4J logger
- replaced System.out.println() and e.printStackTrace() with logger
Move file loading to tests
- Loading diagram by file is used and will be used only in tests
Problem fixes based on static analysis
use standard Maven directory structure for resources
Repaired Selenium tests
removed useless test - SampleTest
Repaired Seleninum tests - DetailsTest
Repaired Seleninum tests - AutomaticGroupingTest
Repaired two selenium tests
Simplify transformation between JSONs by removing graph.Graph class and use instead api.Graph
minor fixes
Fix backend unit tests
Rename subedgeInfo.originalId to id
changed paths in frontend tests to test files
Resolved backend tests
added Selenium-based UI tests created as part of the ASWI project