Add terminus-font-vain

What has been done so far:

	- Fix FS#35479
	- Build only those PCF files that I actually use in my XTerm
	- Apply the centered tilde patch (provided by upstream)
	- Add glyphs ✓ (U+2713) and ✘ (U+2718)
terminus-font-vain: Revamp smilies

Completely replace the 12px ones because you just can't get a decent
smiley with a *border* in that size.
de-capsergo: Move compose key back to RCTL on netbook
Remove obsolete packages