upgraded sbt version, sbt plugins and some library dependencies to latest stable version
added SPARK_WORKER_INSTANCES : allows spawning multiple worker instances/processes on every slave machine
spark instance number must be present in log filename to prevent multiple workers from overriding each other's logs
Bump development version to 0.8.0
Bumping Algebird version in examples now that it supports JDK 1.6
SPARK-724 - Have Akka logging enabled by default for standalone daemons

See the JIRA for more details.

I was only able to test the bash version (don't have Windows)
so maybe check over that the syntax is correct there.
Update build to Scala 2.9.3
Update Scala version in docs
Fix deprecated warning
Updated link to SBT
Updating based on code review
Fix compile warning
Fixed a bug with zip
Fix passing of superstep in Bagel to avoid seeing new values of the
superstep value upon recomputation, and set the default storage level in
Bagel to MEMORY_AND_DISK
bump to Spark 0.7.0-SNAPSHOT