The great renaming of March 2013: renames several important classes in
an effort to make the code more intuitive, and stop using "Timelapse"
as a synonym for Replay.

Some of the changes include:

DeterminismLog -> ReplayInputLog
DeterminismQueueType -> ReplayInputQueueType
DeterminismController -> ReplayController
ReplayableType -> ReplayInputType
ReplayableAction -> NondeterministicInput
DispatchableAction -> EventLoopInput
ActionSerializer -> ReplayInputSerializer
JSONActionSerializer -> JSONReplayInputSerializer
action -> input (more generally)
Frontend: Move non-view parts of CSSSelectorProfile to their own file.
Rename all the things: replace Timelapse with Replay throughout the
inspector frontend, backend, and protocol.