Merge tag 'v1.4.1'

1.4.1
Fix the default length for strings to avoid row size overflow
Allow properties to pass through mysql driver

See https://github.com/strongloop/loopback-connector-mysql/issues/46
Merge pull request #43 from strongloop/feature/fix-default-length

Fix the default length for strings to avoid row size overflow
Bump version
Merge branch 'release/1.4.2' into production