FIX: Require h5py 2.10 for Windows + Python < 3.6

[effigies]

Forward port of #804 to master.

Starting with the test.

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This one is simpler than the commit list makes it look:

commit 69700fe9edeb07cacf014af250e2bdcdb3958bf5 (HEAD -> fix/h5py_minver, origin/fix/h5py_minver)
Merge: 920eefa4 457c8607
Author: Christopher J. Markiewicz <[email protected]>
Date:   Wed Sep 11 10:30:59 2019 -0400

    Merge branch 'maint/2.5.x' into fix/h5py_minver

commit 920eefa4cd421a5d46a041149f457dd71c5e7d86
Author: Christopher J. Markiewicz <[email protected]>
Date:   Wed Sep 11 10:15:19 2019 -0400

    CI: Add expected failing test to Azure

commit 457c860780d43072ddf5268f3a76cb999938949b (upstream/maint/2.5.x, maint/2.5.x)
Merge: 8d68c7f4 4127cfcc
Author: Chris Markiewicz <[email protected]>
Date:   Wed Sep 11 10:03:00 2019 -0400

    Merge pull request #804 from effigies/enh/h5py_minver
    
    FIX: Require h5py 2.10 for Windows + Python < 3.6

Only merge issue was removing appveyor.yml.

[codecov]

Codecov Report

Merging #807 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff            @@
##           master    #807      +/-   ##
=========================================
+ Coverage    90.1%   90.1%   +<.01%     
=========================================
  Files          95      96       +1     
  Lines       11903   11907       +4     
  Branches     2124    2124              
=========================================
+ Hits        10725   10729       +4     
  Misses        833     833              
  Partials      345     345

Impacted Files	Coverage Δ
nibabel/_h5py_compat.py	100% <100%> (ø)
nibabel/minc2.py	90% <100%> (-0.13%)	⬇️
nibabel/minc1.py	90.36% <100%> (ø)	⬆️

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