Histograms in HistogramWidget now don't update automatically. Add buttons to enable/disable the auto update
Add video selection to the ABXTesting view
Fix bugs in video selection. The user can now choose the videos he wants to abx test
Add exception handling to the video saving functionality
Fix some aesthetic stuff
optimized EarthMoversHistogramDiff
Merge branch 'master' into somewhatBeautyQueen
Enable difference insertion in our program
Fix some display bug in the list views
Fix a major bug which resulted in wrong video display (another smaller  bug remains)
Fix some minor issues which were mostly of aesthetic nature
Adjust the sizes of different components
Merge branch 'master' into CodeCoverage
Merge branch 'CodeCoverage' of https://github.com/V02460/CTT into CodeCoverage