Piping prune function through the VersionedStore factory method
Ian comment
remove \n
Frozen keys
Compiling
Merge pull request #476 from twitter/dcl/prune

Piping prune function through the VersionedStore factory method
FrozenKey tests
Merge pull request #477 from twitter/feature/ianoc_frozen_keys

Feature/ianoc frozen keys
Make HDFSState public
Merge pull request #478 from twitter/jco/unhide_classes

Make HDFSState public
Realise lazy stores on init
Add/use the multiplier option
add variations on pipeFactory to allow a map function before time extraction
Merge pull request #482 from kscaldef/mapped_pipe_factory

add variations on pipeFactory to allow a map function before time extrac...
Merge pull request #481 from twitter/summer_multiplier_option

Add/use the multiplier option
Updates for the 0.4.0 release
Merge branch 'release/0.4.0' into develop

Conflicts:
	README.md
	project/Build.scala
Merge branch 'release/0.4.0'
Release 0.4.1 changes
Merge branch 'release/0.4.1'