Log Message:
Update to 0.11.11:

- Add APIs for setting font with/without antialiasing, cursor color,
  hilite color, and a forkpty()-alike.  Fix meta-space.  Use glib 2.4's
  child watch API if available.
- Add a configure switch for setting the default emulation instead of
  hard-coding it to be "xterm".
- Tweak autowrapping of text to handle cases where the terminal has
  both LP and xn capabilities.
- Truncate empty lines when copying text to mimic xterm.
- Internally abstract out matching APIs, though we still use POSIX regex.
- Try to set UTF8 line editing mode under sufficiently-new Linux.
- Obey Pango's specified attributes when displaying pre-edit text.
- Never steal modifier keys which might affect the input method from
  the input methods.
- Fix python binding so that help() lists the terminal class.