first Scala groupBy implementation
start groupBy examples
Merge branch 'master' of github.com:Netflix/RxJava into groupBy
update scala README
make Olympics example data timed
more examples/tests in RxScalaDemo
finish groupBy example
move ImplicitFunctionConversions out of internal package
add comment to ImplicitFunctionConversions and reformat it

to use indent of 2 spaces, as all other files in rx.lang.scala
use Java Subject<T, R> as contravariant in T and covariant in R
add multicast, publish, replay
add methods to BlockingObservable
Merge pull request #389 from samuelgruetter/idiomaticscala

Scala Adaptor Improvements