emulation: Use more consistent and verbose names for special purpose colors

https://bugzilla.gnome.org/show_bug.cgi?id=725974
emulation: Add support for OSC 19/119 (highlight fg color) and corresponding API

https://bugzilla.gnome.org/show_bug.cgi?id=725974
build: Remove gtk2 leftover code
build: Clean up gdk keysym names
build: Clean up legacy signal creation leftovers
build: Remove vte-gtk-compat
build: Use consistent version check for smooth scroll
perf: Add scripts to EXTRA_DIST
widget: Do not intercept Ctrl+F1

https://bugzilla.gnome.org/show_bug.cgi?id=726438
build: Fix log domain
build: Version bump
widget: Nicer box drawing characters

Fixes problems with the hollow box drawing characters.

https://bugzilla.gnome.org/show_bug.cgi?id=709556
Version 0.35.90
Post release version bump
build: Do not hardcode /bin/bash

https://bugzilla.gnome.org/show_bug.cgi?id=726604
doc: Minor update to rewrap.txt
doc: Add API index for highlight foreground color
Version 0.36.0
Post release version bump