update build script
change shadow to match cardslib
set state before triggering callbacks
allow styling the shadow drawable
local deploy
remove gradle wrapper scripts

Change-Id: I14bd3cffb4b1cc9d5935e4382429c8bd067329d0
update gradle scripts

Change-Id: I236966754aa0501b4ba2ed709ff44c7d2f6f980e
allow setting initial state

Change-Id: Ibc513c5c97be4cf1f3415c377f9efb72d2a91d2b
Merge remote-tracking branch 'upstream/master' into HEAD

Conflicts:
	build.gradle
	demo/build.gradle
	gradlew.bat
	library/build.gradle
	library/res/values/attrs.xml
	library/src/com/sothree/slidinguppanel/SlidingUpPanelLayout.java

Change-Id: I1821dce4035ba1d19e2d740c1eff0a886e676dda