[bug fix and improvement] LiquidCrystal Library - Improve timing to make LESS blocking#4550

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techpaul wants to merge 6 commits intoarduino:masterfrom

techpaul:master

Commits on Jan 18, 2016

Commits on Feb 9, 2016

Improve LCD library to become less blocking
techpaul
committed

Commits on Feb 11, 2016