Added unit test

Test ability to extract context with composite keys
temporarily disable TestRestartContainer - any container tests following it times out on NewContainer()
Merge pull request #987 from control-center/feature/hack-disable-TestRestartContainer

temporarily disable TestRestartContainer - any container tests following...
Merge pull request #985 from control-center/feature/ZEN-13886

Added unit test
remove required cores from the wizard since it is misleading
Merge pull request #989 from control-center/feature/ZEN-10396

remove required cores from the wizard since it is misleading
changed Service.Context to natural representation (map[string]interface{}) from current json encoded string
Merge pull request #988 from control-center/feature/CC-104-2

changed Service.Context to natural representation (map[string]interface{}) from current json encoded string
Use "docker logs" command to get logs

Rollback commit 5ce4da06a213f9a161d02ff4255d4e7f52abf519
Limit docker logs to 2000 lines

Requires docker 1.1.0
Merge pull request #990 from control-center/feature/CC-102

Use "docker logs --tail" to get docker logs
Merge remote-tracking branch 'origin/develop' into feature/CC-54-3