SQOOP-1395: Potential naming conflict in Avro schema

(Qian Xu via Jarek Jarcec Cecho)
SQOOP-1491: Remove SqoopAvroRecord

(Qian Xu via Jarek Jarcec Cecho)
SQOOP-1494: Fix generateArvoSchema in DataDrivenImportJob

(Qian Xu via Jarek Jarcec Cecho)
SQOOP-1492: Move Avro and GenericRecord related common code to AvroUtil

(Qian Xu via Jarek Jarcec Cecho)
SQOOP-1490: Connectors documentation doesn't build on CentOS 5

(Abraham Elmahrek via Jarek Jarcec Cecho)