Map.rotate now preserves all image data instead of cropping
Fixed bug when specifying a fill value for skimage transforms
Changed name of Map.rotate optional argument to rotation_center
Changed Map.rotate default order to 4 (bi-quartic) for accuracy
Added changelog entries
Documentation updates
Merge remote-tracking branch 'upstream/master' into rotate
Updated Map.rotate tests
Revised IRIS rotation test
Merge remote-tracking branch 'upstream/master' into rotate
Added rotation test that will trigger unpadding
Merge remote-tracking branch 'upstream/master' into rotate
Merge remote-tracking branch 'upstream/master' into rotate
Added unpadding test for the other direction (y)
Merge pull request #1185 from ayshih/rotate

[Review]: Map.rotate() improvements