exclude build.log from Apache Rat check

Capturing maven output in a standard way fails because apache-rat detects the log file and fails the build because it does not contain a license.  This fix excludes build.log from the apache-rat check

```
mvn -X clean install > build.log
```

securing the metadata client

fixed - boolean backend index is not supported

Remove redundant statement

potential fix for HiveMetaStoreBridge

cleanup commented out code

potential fix for HiveMetaStoreBridge

cleanup commented out code

potential fix for HiveMetaStoreBridge

Remove a redundant statement to cure a compiler warning

Add response body to MetadataServiceException

reformat and remove unused constructor

MetadataServiceException should report response body and response status

small changes to accommodate python in the project

ISSUE 62 -- small hive bridge changes

ISSUE 57 - throw exception if type created with invalid JSON

Add hive configuration to hive-bridge classpath