Add EliasDB. (#1094)

EliasDB is a graph based database which aims to provide a lightweight solution for projects which want to store their data as a graph.

README.md

@@ -238,6 +238,7 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 * [couchcache](https://github.com/codingsince1985/couchcache) - A RESTful caching micro-service backed by Couchbase server.
 * [dgraph](https://github.com/dgraph-io/dgraph) - Scalable, Distributed, Low Latency, High Throughput Graph Database.
 * [diskv](https://github.com/peterbourgon/diskv) - A home-grown disk-backed key-value store.
+* [eliasdb](https://github.com/krotik/eliasdb) - Dependency-free, transactional graph database with REST API, phrase search and SQL-like query language.
 * [forestdb](https://github.com/couchbase/goforestdb) - Go bindings for ForestDB.
 * [GCache](https://github.com/bluele/gcache) - Cache library with support for expirable Cache, LFU, LRU and ARC.
 * [geocache](https://github.com/melihmucuk/geocache) - An in-memory cache that is suitable for geolocation based applications.