#7 Use SLF4J logger
- added some log messages
- changed log4j configuration
- replaced System.out.println() and e.printStackTrace() with logger
Update version of log4j
Move file loading to tests
- Loading diagram by file is used and will be used only in tests
java imports optimalisation
Problem fixes based on static analysis
Removed unused class
Added spotbugs for static code analysis
cleanup pom.xml
Zobrazit revize
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