Extensions and Resource-bugfix, build update#2

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arberg wants to merge 3 commits intomrmilu:masterfrom

Commits on Jan 12, 2016

Added extra validation types (numeric), Added dimens for margin icon to text, read color for non-deprecated ContextCompat, fixed Res annotations
Alex
committed
Build tools 23.0.2 and Android target 23, and appcompat 23.1.1
Alex
committed
Removed resourcePrefix from attritubes which we want exported from library project
Alex
committed