Make colors set by escape sequences have higher precedence than those set via
API calls.

https://bugzilla.gnome.org/show_bug.cgi?id=705985
Report whether a mouse event was handled by VteTerminal.
This is necessary for gnome-terminal to deliver a right click to applications
which are interested in mouse events, and pop up the menu otherwise.

https://bugzilla.gnome.org/show_bug.cgi?id=13299
Don't fake cursor keys on normal screen with restricted scrolling.

https://bugzilla.gnome.org/show_bug.cgi?id=710481
Fix restricted scrolling with a short ring.

https://bugzilla.gnome.org/show_bug.cgi?id=710483
Reset restricted scrolling on window resize.

https://bugzilla.gnome.org/show_bug.cgi?id=710484
Fix the scrollbar position with restricted scrolling.

https://bugzilla.gnome.org/show_bug.cgi?id=710488
Make scrolling the bottom row upwards not fill this row with the
background color. (Only the new empty bottom line should be filled.)

https://bugzilla.gnome.org/show_bug.cgi?id=710486
Add support for smooth scrolling.

https://bugzilla.gnome.org/show_bug.cgi?id=710426
Remove smooth_scroll (legacy dead code, has nothing to do with the new
smooth scrolling feature).

https://bugzilla.gnome.org/show_bug.cgi?id=710426#c4