Merge remote branch 'cloudant:add_sysdb_callback_once_per_db'

This closes #230

Signed-off-by: ILYA Khlopotov <iilyak@apache.org>
tree: f2252611a9efab76a5724c441344b7047b00c981
  1. include/
  2. priv/
  3. src/
  4. test/
  5. .gitignore
  6. .travis.yml
  7. LICENSE
  8. rebar.config.script