Remove extraneous call in demo app
Add release plugin (current version is 0.1-SNAPSHOT).
Remove old zip distribution (will only be included in tagged releases)
Upload AAR to Maven (no access to Sonatype yet). (updates #6)
Add copyright headers to some files, remove erroneous main function from SphericalMercatorProjection
Remove docs
Add private constructors for util classes
Choose latest dependency version (Google play services)
Merge branch 'master' into clustering