Add optional JSR-310 support library (refs #222)

refs #222

- scalikejdbc-core library should work on not only Java 8 but 6 & 7
- Add scalikejdbc-jsr310 for Java 8 users
- Remove depreacated methods from scalikejdbc.WrappedResultSet
- This change should be released as 2.1.0 due to API incompatibility
- bindParams issue https://github.com/scalikejdbc/scalikejdbc/blob/2.0.7/scalikejdbc-core/src/main/scala/scalikejdbc/StatementExecutor.scala#L73-L113