[ new ] Added Copy menu for book title
[ new ] bug 156 - Allow to change ContextMenu docking position
[ fixed ] There was 1px left over for main menu when ContentReader is in Landscape
[ fixed ] ContextMenu on Landscape in mobile device swipe control acting weird
[ fixed ] Improved the main menu swiping experience
[ fixed ] Search word dialog broken
[ fixed ] ContentReader sometimes unable to display background
[ change ] Removed Full-screen button on Phone

[ optim ] Removed the requirement for copying Custom Backgrounds to display