added basic info endpoint
Remove `--task_rate_limit` flag from README
Docker JSON blob example
fixes #397 Docker image field is lost if  field is not set
fixes #394 add leader and frameworkId to /v2/info
fixes #395 Allow Marathon users to specify what user to run tasks as
making the startup port for tomcat dynamic
Merge pull request #399 from kensipe/tomcat_example

making the startup port for tomcat dynamic
Move appVersion stuff to app model
Review: code cleanup
Recompiling sources
Merge remote-tracking branch 'origin/master' into app-versions