1.3.16 (04/13/15)

• [h2] allow jdbch2 adapter to use jdbc-h2 1.4 (#639)
• [postgres] quote and type_cast should not be overriden on 4.2
• [postgres] fix table column resolution (slightly align it to our needs) on 4.2
• [postgres] re-arrange Column internals as some helpers end-up on Adapter in 4.2
• [mysql] change_column table is redefined on AR 4.2 so that it uses _sql version
• [mysql] more tuning/compatibility backports for AR 4.2 (working booleans #626)
• [mysql] type-map support copy-pasta from AR 4.2 (closer to full compat) (#617)
• [postgres] improved support for Amazon Redshift (based on user feedback #403)
• fixed problem with create table statements with references in MySQL (#629)
• fix RecordNotUnique reference in ArJdbc::SQlite3 (#634)
• [postgres] add support for jsonb column type (#633 #635 #637)