XD-905 Handle container start/stop events

- Publish container start/stop events at XDContainer's AbstractApplicationContext
  where the ContainerEventListners are running
- Renamed AbstractContainerLauncher's applicationContext from deployerContext
  to launcherContext
XD-351: Add aggregate count day resolution.
XD-913 Excluding org.fusesource.fuse-extra from xd-dirt build

Ading testCompile dependency on scala-library
Remove unndeeded scala dep