TEIID-2584: adding the wait feature, when action on matview is defined as wait when the results are not valid, then the original client request for contents matview will wail until the matview is loaded. While waiting it does a poll to the status table every 30 seconds to check if it is valid
Merge pull request #103 from rareddy/TEIID-2584

TEIID-2584: adding the wait feature, when action on matview is defined a...