Created CategoryFilter and fixed some bugs.
Merged with develop
Added category filter to findByCustomParameters and fixed bugs
Merge pull request #52 from if045/IFJJV-121-RS-CategoryFilter

IFJJV-121-RS-CategoryFilter
RC: add mapper, facade, logger. remove test file
Merge pull request #57 from if045/IFJJV-118-SK-StatusDropdown

filled tender status dropdown