Move aliases from Process into process1Aliases
Implemented map, flatMap and append + basic tests
added depr warning to compiler flags
Reverted Emit signature back to Emit(Seq[O])
Process1 implementation drafted, WIP on pipe
Taken Throwable argument out of Await, implemented Pipe
Introduced Step
added step combinator, drafted pipe via step
implemented kill, killby, unemit
Step a separate aglbra with Cont and Done. Refactored most of Process code to use step.
reimplemented process1.feed via step
Implemented pipe with step
redefined step
WIP-APPEND3
Add source links to the documentation
Merge branch 'master' into process1-aliases

Conflicts:
	src/main/scala/scalaz/stream/Process.scala
Add remaining aliases to Process1Ops
Move once from Process to process1
Removed some unused imports
Merge pull request #144 from fthomas/process1-aliases

Move process1 aliases from Process to Process1Ops