PLA-833 adding placeholder for dark wiki, fix for missing images
DAR-2445: Added isset to if statement
remove unnecessary code
PLA-833 quick fix for dropdown disappearing before click
Merge branch 'DAR-2445' into DAR-2107
added optional second parameter to modal.js and updated all places with its usage
PLA-833 fix for hiding too long article names
DAR-2445: Added background-classes parameter
Fix middle width/margin
finished replacing chat ban modal
DAR-2107: Set background width and height for images chosen from Picker
DAR-2400: Added background color between splited background image and customized options visibility
Rename variable
DAR-2400: Added color-body-middle param to Oasis theme settings
DAR-2107: Allow use new ThemeDesigner options only when fluid layout is enabled
PLA-833 interaction with suggestions remodeled
Force file pages to show namespace in Monobook page title & H1
DAR-2400: Add possibility to enable middle color choice
PLA-833 handling null in thumbnail field
Workaround and remove of obsolete code