user/role access validation added
change file special chars
user/roles new validation logic added
Merge pull request #3 from antonsapognikov/master

SapohnikovAN. User/role permissions.
fix defect: exception when delete user role
Merge pull request #4 from antonsapognikov/master

Fix defect: exception when delete user role
time budget table template added
Merge pull request #5 from antonsapognikov/master

Time budget table
semantic UI implemented
styles added + refactor
restyled
login page fixed
refactoring to 5.4 version
new css-style & droplist added
conflicts
delete conflicts