Fix build for new fsnotify
clientside mapview is moved to mapview-psc

Signed-off-by: Ricky Elrod <ricky@elrod.me>
Update readme and rename mapview.hs to mapview-send.hs

Signed-off-by: Ricky Elrod <ricky@elrod.me>
Some minor cabal file changes

Signed-off-by: Ricky Elrod <ricky@elrod.me>
Start on a small mapview-announce program to sent announcements to mapview-send

Signed-off-by: Ricky Elrod <ricky@elrod.me>