Ad formats improvements

Several adjustments in already available ad formats will be introduced:

• Cube 3D - possibility to select the axis of rotation
• Scroll reveal - change of player, option of seeking for video and force desktop version for mobile devices
• Twosided banner - change of player, option of seeking for video and new option of rotation for banner
• Fullscreen video - possibility to enter url for a video file
• In article video - change of player, option of: seeking for video, max. weight setting, native size of video; new possibility of setting visibility of creative

direct effect fullscreen overlay video