Added this new integration suite for creating the docker based test suite for the bug fix in SPARK-12941

Updated this pom.xml with the ojdbc jar related dependency to test the OracleIntegrationSuite related to SPARK-12941 bug fix

… suite addition

Updated DockerJDBCIntegrationSuite.scala with the time out interval, as it is required to be atleast 200 sec for Oracle instance to be up

Updated OracleDialect.scala for [SPARK-12941]  for the fix of adding a data type mapping to Oracle

…te addition

Updated  OracleIntegrationSuite.scala for [SPARK-12941]  with Oracle Docker test cases

…es and ignore test case

Updated the file with style check fixes and ignore test cases, as the ojdbc jar is not present in the maven.

Style check fixes

Updated the order of imports

Updating this pom.xml to comment the changes related oracle ojdbc jar dependency as the maven repository does not contain this.

Updated the OracleIntegrationSuite.scala with the doc and override method

updated doc

Updated style check fixes

Updated OracleIntegrationSuite.scala for [SPARK-12941] for the edits in the comments section

Added comments on why the oracle dependency was commented out

Updated DockerJDBCIntegrationSuite.scala- Reverted the timeout and interval parameter to 60 and 1. This would be required to be increased for Oracle based testing.

Updated the comments about the time interval change required in DockerJDBCIntegrationSuite.scala when testing with Oracle tests

Adding a test suite for the SPARK 12941 for the testing of the StringType mapping to Oracle Varchar