Merge pull request #613 from sntdevco/master

Added driver for ArangoDB

README.md

@@ -759,6 +759,8 @@ See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_
 
 * [sfackler/r2d2](https://github.com/sfackler/r2d2) — generic connection pool [<img src="https://api.travis-ci.org/sfackler/r2d2.svg?branch=master">](https://travis-ci.org/sfackler/r2d2)
 * NoSQL [[nosql](https://crates.io/keywords/nosql)]
+  * [ArangoDB](https://argangodb.com/)
+     * [Rincon](https://github.com/innoave/rincon) - An ArangoDB (NoSQL and Graph store) driver for Rust
   * [Cassandra](http://cassandra.apache.org) [[cassandra](https://crates.io/keywords/cassandra), [cql](https://crates.io/keywords/cql)]
     * [AlexPikalov/cdrs](https://github.com/AlexPikalov/cdrs) [[cdrs](https://crates.io/crates/cdrs)] — native client written in Rust [<img src="https://api.travis-ci.org/AlexPikalov/cdrs.svg?branch=master">](https://travis-ci.org/AlexPikalov/cdrs)
     * [Metaswitch/cassandra-rs](https://github.com/Metaswitch/cassandra-rs) —  bindings to the DataStax C/C++ client [<img src="https://api.travis-ci.org/Metaswitch/cassandra-rs.svg?branch=master">](https://travis-ci.org/Metaswitch/cassandra-rs)