Numerous updates#5

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bernd-wechner wants to merge 20 commits intopaoletto:masterfrom

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Commits on Apr 24, 2014

Commits on Apr 26, 2014

Commits on May 3, 2014

Commits on Jan 10, 2015

add proper executable header (for linux)
andree182
committed
Resize too big images (otherwise the GPU/OpenGL may reject it) - TBD: determine the maximum texture size
andree182
committed
Steal commit 'use numpy directly to get pixel data ' (75cd2b1e5c406c906a024445a336fb53b6b7aec4) from abev66
andree182
committed

Commits on Apr 28, 2017

Removed broken reference and documented needed dependency.
bernd-wechner
committed

Commits on May 24, 2017

Added Nemo action to view JPG files with PhotoSphere.
bernd-wechner
committed