integration tests also for the expdesign writer classes
removed right padding in Gene set span
added some padding between Exp acession and exp description in the experiment page header
fixed sonar violations about visibility modifiers and added test for GeneSetProfilesBuilder
Merge remote-tracking branch 'origin/master'
corrected order of min and max expression levels in baseline exp. gradients
fixed sonar violations about unused code and added test for ExperimentInterceptor
fixed sonar violations about parameter assignment, duplicated literals and variable naming
addressing various violations mentioned in Sonar and added more unit tests
lots of minor violation fixes as observed by Sonar, no new functionality
some last small changes addressing Sonar violations
merged with master