Adds logic for detecting script failures
- HostGroupModel has script failure regex + error flag
- runScriptModel method returns true if detected an error, false otherwise
less chance of failure in remote (nondetermistic test)

use the release of MavenOpensource parent
Merge branch 'master' of ssh://git@github.com/rexhoffman/Slingshot
update logging and version support
use release
Merge branch 'master' into ScriptFailureDetection
Creates AMI + launch configuration

- Using jClouds for AMI creation
- Using AWS for launch configuration creation
Merge branch 'ScriptFailureDetection' into CreateLaunchConfig

Conflicts:
	SlingshotCompute/src/main/java/org/slingshot/host/HostGroupModel.java
	SlingshotCompute/src/main/java/org/slingshot/host/HostGroupModelImpl.java
Merge pull request #3 from chrishenzie/CreateLaunchConfig

Thanks for this.   Completes several use cases.
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Merge pull request #4 from chrishenzie/CreateLaunchConfig

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