enable subpixel hinting in default build

[tidux]

The legal issues caused by remnant 1990s patents have been removed. Even Debian and Fedora are shipping Freetype built with subpixel hinting by default now, and Fedora still won't ship mp3 support, which Haiku already does.

[pulkomandy]

Do you have links to Debian and Fedora changes enabling it? I couldn't find anything last time I checked. We were not sure where exactly the patents expire, somewhere between 2016 and 2020. With some backup info from Debian and Fedora we can convince people that it is fine to switch.

[tidux]

Debian fontconfig changelog shows RGBA hinting was available as a runtime configuration option as early as 2004:

​http://metadata.ftp-master.debian.org/changelogs/main/f/fontconfig/fontconfig_2.11.0-6.7_changelog

Fedora has allowed RGBA hinting as a runtime configuration basically as long as Debian has. Fedora 24 and later defaults to RGBA hinting, as referenced in the "return to defaults" section of this article:

​https://fedoramagazine.org/font-improvements-fedora-24-workstation/

[pulkomandy]

Please do not attach tickets to the beta1 milestone unless requested.

[tidux]

Bumping for attention before beta release.

[waddlesplash]

Done in hrev52737.

Sorry we didn't get to this before the beta release; there were some app_server bugs that caused sub-pixel fonts to be rendered incorrectly that were not fixed until recently.

[nielx]

Assign tickets with status=closed and resolution=fixed within the R1/beta2 development window to the R1/beta2 Milestone