[metastore] Support create table from an optionally quoted CSV

https://github.com/cloudera/hue/blob/master/apps/search/examples/collections/solr_configs_log_analytics_demo/index_data.csv

The UI automatically removes the quotes but Hive itself does not.

+ works with CSV with ESCAPED or propose CSV serde http://community.cloudera.com/t5/Web-UI-Hue-Beeswax/Metastore-CSV-Import-Failure-on-Cloudera-Quickstart-VM-5-4-2-0/m-p/29617#M972