added brush size buttons (no icons yet)
added eraser button
save changes dialog now has a cancel button
added hildoncolorbutton to toolbar
"new" button changed icon
if a sketch node is selected, cut/copy/paste/font buttons and edit menu are hidden
added tap-and-hold menu to the tree
now got 5 fullscreen modes (0:normal 1:notree-normal 2:normal-full 3:notree-full 4:justdoc-full)
removed "open file" button from the toolbar
"new" button on the toolbar now creates a new node (same type as the current node)