Scala: Updated stable version to 2.10.2 (from 2.10.1) and development version to 2.11.0-M3 (from 2.10.2 RC1)

Scala: Updated stable version to 2.10.2 (from 2.10.1) and development version to 2.11.0-M3 (from 2.10.2 RC1)