Re-structured PPStrip, RGB global brightness, etc...#2

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schardt wants to merge 7 commits intorrrus:masterfrom schardt:master

+3,107-2,051

Commits on Sep 3, 2014

Re-structured PP Strip, 16-bit component bugs, red/green/blue global brightness, type-mismatch warnings
schardt
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Commits on Dec 10, 2014

Add PPPusherCommand and related code. Took out all use of Lumberjack (and saved 200K in the build size). Simplified and sped up PPCard by taking out packetPool and packetPromiseDict.
schardt
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Commits on Feb 1, 2015

Commits on Feb 4, 2015

Tiny changes to make compiling for arm64 better.
schardt
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Commits on Feb 6, 2015

Deleted CocoaLumberjack and HLDeferred libraries, since we're not using them anymore.
schardt
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