0.15.5
======
This is a quick followup release to 0.15.4 to fix a crasher recently
introduced.
- Fix a newly-introduced crasher
- Do not link to libpython in the python bindings
- Bugs fixed in this release:
	Bug 412562 – Crash in vte_terminal_match_hilite_update
	Bug 410986 – Fails to build with -z defs