Added BoxLayout for sortPanel.
Merge pull request #13 from FreekDB/master

Small fixes of Checkstyle issues
Changed layout in Sort Panel.
Merge branch 'master' of https://github.com/CTMM-TraIT/trait_proteomics_qc_tool.git
Merge remote-tracking branch 'upstream/master'
Main:
- added todo for call to progressLogOperations from updateReportViewer;
- used List instead of ArrayList when possible;
- added todo for JCalendar dependency;
- fixed minor Checkstyle issues.

ViewerFrame:
- changed parameter of updateReportUnits into List (was ArrayList);
- removed unused imports;
- added some Javadocs;
- fixed other minor Checkstyle issues.