Fix bugs
Delete coments
logic for switching home pages depending on logged user role
Corrected by Slavik's comments
Delete comment
Some code refactor
Corrected by Yura's comments
fixed code due to comments
refactor code due to coment
Merge pull request #163 from if045/KM-tech

Km tech
conflicts
Merge pull request #164 from if045/IFJJV-YM-HomePageSwitching

logic for switching home pages depending on logged user role
conflicts