Merge branch 'release/2.1.5' into develop
add new 'flags_bitmask' field to 'authorized_urls' table
add new 'lua_scripts' table; add new 'date_check_params' and 'lua_script_params' columns to 'authorized_urls' table
add lua script editor; add date check params and lua script linking to authorized_url edit form; add icons in authorized_urls list; change footer
bugfix when delete lua script; remove flags_bitmask field from authorized_urls table
add admin editor for periods in access_flags
fix css
fix layout width in authorized_url_access_flags
fix layout width in authorized_url_access_flags
bump version number
Merge branch 'release/2.2.0'