Added the fact that the artefact is available for maven.
Moved the libray to its own directory.
Fixed missing folder.
Fixed copyright headers (removed useless 'All Rights Reserved.' note).
Added headers where missing.
Added a sample app.
Added build.xml for sample app.
Updated readme with link to sample app.
support gradle build
Merge pull request #16 from mlc/gradle

support gradle build
Updated .classpath to adt22.
Target level 17.
Added level 17 specific preference layout.
gradle support
Merge branch 'master' of https://github.com/Bigbublik/android-switch-backport