changed method order
Added documentation to most of the methods
Moved buttons above table and added "addStyleName" declarations
Merge pull request #492 from Junkern/issue#426

Moved buttons above table and added "addStyleName" declarations
Kontrollzeichen der Headerfelder werden entfernt
Merge pull request #494 from davvitt/issue#272

Kontrollzeichen der Headerfelder werden entfernt
Changed encoding of property file
refactored update table method
Removed build table. Now only two concepts exists: update and rebuild
Change order of table columns
Merge pull request #496 from jidel/issue#485

Change order of table columns
using students as treshold for collapsing works again
last bits of refactoring and clean up finished
Remove byte order mark (BOM) characters of property strings (now it also
can be saved as UTF-8 with BOM)
removed unnecessary imports.
Sorting is now working. More sorting has to be done in the model itself
Sorting for grades does now work, too.
Merge pull request #498 from henningmu/refactor_sms

Refactored and documented StudentMaterialSelector
Merge pull request #499 from B3nRa/encodingIssues

Encoding issues
Merge pull request #500 from henningmu/#issue484-sort_pdf_content

Sorting student list pdf