[PPP-3081] license header updates on all .java, .js, and .jsp
[PDI-10557]: Intercept unsupported method Statement.getMetaData in proxy
Merge pull request #33 from mattyb149/getMetaData-proxy

[PDI-10557]: Intercept unsupported method Statement.getMetaData in proxy
PDI-10643 - changing the condition for determining there is no mapping information in the repository.  Was using "key" which is always present.  "key_type" is only present when the mapping information is available.
Merge pull request #35 from kurtwalker/PDI-10643

PDI-10643 - changing the condition for determining there is no mapping information in the repository. Was using "key" which is always present. "key_type" is only present when the mapping information is available.
[BISERVER-10443]: Added Impala Driver for BA support
Merge pull request #36 from mattyb149/add-impala-driver-shim

[BISERVER-10443]: Added Impala Driver for BA support