updated README

README.md

 orchestrator
 ============
 
-MySQL replication topology manager/visualizer
+_Orchestrator_ is a MySQL replication topology management and visualization tool, allowing for:
+
+* Detection and interrogation of replication clusters
+* Safe topology refactoring: moving slaves around the topology
+* Sleek topology visualization
+* Replication problems visualization
+* Topology changes via intuitive drag & drop
+* Maintenance mode declaration and enforcement
+* Auditing of operations
+* More...
+
+Read the [Orchestrator Manual](Orchestrator-Manual) for comprehensive documentation.
+
+![Orcehstrator screenshot](images/orchestrator-simple.png)
+
+Refactoring the topology is a matter of a simple drag & drop. _Orchestrator_ will keep you safe by disallowing invalid replication topologies 
+(e.g. replicating from ROW based to STATEMENT based, from 5.5 to 5.1 etc.)
+
+_Orchestrator_ is developed at [Outbrain](http://www.outbrain.com/) to answer for the difficulty in managing replication topologies. 
+At the time of _orchestrator_ creation GTID is available via MySQL 5.6 and MariaDB 10.0. And yet GTID is still not as mature as one would hope for. 
+The majority of users still use plain-old binlog file:position based MySQL replication, and apparently this will hold for some time.
+
+Authored by Shlomi Noach
+ 
+