Add Akka specific config for CI environment

These config files provides specific settings to those projects using
Akka in order to dilate the timeouts on heavily loaded machines (e.g.,
Jenkins server).

The specific config files may be used by passing the argument
`-Dconfig.resource=application-ci.conf` to sbt.

This fixes bug #104.
Merge pull request #110 from apoloval/issue/104

Add Akka specific config for CI environment