Merge pull request #25 from KurtStam/master

Adding multiApp Switchyard demo
1) Updated demos that were broken.
2) Updated the multi-app switchyard demo to use the new artifactGrouping
option when deploying to s-ramp.
Merge pull request #26 from EricWittmann/sramp-181-artifact-grouping

(sramp-181) Implemented ArtifactGrouping option in S-RAMP Wagon
Merge pull request #27 from KurtStam/master

Add project example