Merge tag 'v1.2.0'

1.2.0
Fix the conversion for mongodb.Binary
Update README
Replace old README with link to docs.

Made a few other wording changes; left info on test environment, etc.
Merge pull request #24 from strongloop/feature/fix-binary-type

Fix the conversion for mongodb.Binary
Bump version
Merge branch 'release/1.2.1' into production