[WFLY-1069] Added ability to resolve-expressions on the server to server-side operations ':read-resource' and ':read-attribute' as well as CLI command 'ls'.  Works for all areas of a server and limited locations within the HostController.
[WFLY-1069] Don't resolve vault expressions, as that shouldn't be doable from a remote client
Merge pull request #192 from bstansberry/pullRequest69

[WFLY-1069] Support reads of the model with expressions resolved