Drop qt4 subpackage dependency on qt5 one

Disable all but Tk toolkit backends on EL7

Update to 2.0.0 final

Update to 2.0.0rc2
Fix more big-endian integer issues
Apply the 'aarch64' test tolerance patch on ppc64 also (it's affected by same issues)
Tweak the 'i686' test tolerance patch a bit (some errors are gone, some new ones)
Re-enable test suite for all arches
Note a remaining quasi-random test issue that causes build to fail sometimes

Fix another integer type issue which caused more issues on ppc64

Fix int type conversion error that broke text rendering on ppc64 (#1411070)

Rebuild for Python 3.6

disable tests on some alt-arches to unblock depending builds

add missing runtime dependencies for python2 package

Update to 2.0.0b4
Drop upstreamed or obsolete patches
python-cycler >= 0.10.0 is required
move around Requires and BRs and sort more or less alphabetically
don't ship baseline images for tests (like Debian)
Require stix fonts only when they're not bundled
disable HTML doc building for bootstrapping 2.0.x series
relax image rendering tests tolerance due to freetype version differences
disable some failing tests on aarch64 for now

https://fedoraproject.org/wiki/Changes/Automatic_Provides_for_Python_RPM_Packages

Update to 1.5.2rc2.
Drop wrong hunk from use-system-six patch.
Patch new qhull paths on F25+ instead of using sed.
Rebase failing tests patch.

Upstream no longer ships non-free images, use pristine source.

Unbundle python-six (#1336740).
Run tests (and temporarily disable failing ones).
Use upstream-recommended way of running tests in parallel.
python2-cycler and -mock are required for running tests.

Rebuild for qhull-2015.2-1.
Reflect qhull_a.h's location having changed.

Add requires python-cycler