wip
scanRight ofRef benchmark
wip ofRef test
remove unused method
refactoring Benchmark
improve benchmark task parser
wip RefBenchmark
update sbt 0.13.1-M1
add printInfo task
add Info.scala
fix travis.sh
sparate file
fix warning
mapRef, reverseMapRef, flatMapRef, collectRef, collectFirstRef, foldLeftRef, foldRightRef, scanLeftRef, scanRight

remove foldLeftAny, foldRightAny
collectFirst0, scanLeft0, scanRight0
Merge branch 'ref'

Conflicts:
	build.sbt