Add optional JSR-310 support library #222

 - 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
Fix a broken test
Add JSR-310 bindParams
Merge pull request #270 from scalikejdbc/feature/jsr310

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