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quartztext: Reenable quartztext along with some enhancements.

First, set a text drop shadow because we can, and it is nice for readability.
Then, correct behaviour for border color: minimum size to 1.0, where current code max it to 1.0, and comment the contrary.
(cherry picked from commit eb5bc9eb)

Conflicts:

	modules/misc/quartztext.c

quartztext: Use 10.4 compatible alternative to kCGColorBlack
(cherry picked from commit f0d84d01)

quartztext: fix [f0d84d01]. white is not block
(cherry picked from commit e096835f)

quartztext: One more fix to  [f0d84d01]

This properly creates the colorspace.
(cherry picked from commit 05128dd4)