updated smooth scrolls
check observer is not null
fixed error on gingerbread devices
check exception
Fixed missing Gradle dependency

Added missing Support V4 dependency to build.gradle.
Merge pull request #37 from Berglund/patch-1

Fixed missing Gradle dependency
modified code in order to be used as jar
updated reflections
more reflections
updated build
updated build
removed log
updated to android 4.4
updated support library
gradle
gradle
gradle
gradle
gradle
gradle
gradle