Log incoming offer with FINE
Add support for multiple ports per app.

AppDefinition now accepts a sequence of ports.
Each app instance gets the same number of ports via PORT, PORT0 .. PORTn env vars.
Fix gerPorts: requesting 0 ports should return Some(Seq())
Move to a more functional style for constraints.
Merge pull request #36 from mesosphere/multiple-ports

Multiple ports
Merge pull request #37 from mesosphere/wip-constraints-style

Move to a more functional style for constraints.
Fix event reporting
Newline
Merge pull request #39 from mesosphere/event-fixes

Fix event reporting
Fix app endpoints and rename: /v1/apps/{id}/status => /v1/endpoints/{id}
Fix repo URL
move checkpointing to a commandline option

boolean commandline options default to false unless present so
checkpointing will not be enabled by default.
Merge branch 'checkpointing' into build/1
Merge branch 'master' into build/1
use the config accessor shortforms
Merge branch 'checkpointing' into build/1