Label rotation layout fixed.
Fixed label rotation due to geographic vs. spherical mercator.
Find height wasn't taking rotation into account very well.
Pinch zoom around midpoint between touches, not map center
Fix warning that only came up on 32bit build
Merge pull request #201 from trailbehind/feature/pinch-zoom-around-touches

Pinch zoom around midpoint between touches, not map center
Merge remote-tracking branch 'upstream/develop' into develop

Conflicts:
	WhirlyGlobeSrc/WhirlyGlobe-MaplyComponent/src/MaplyVectorObject.mm
ignore .orig files