Update projects-2.12.md

Author: SethTisue

projects-2.12.md

@@ -158,6 +158,7 @@ Add using `addSbtPlugin(...)`:
 You can subscribe to these tickets to find out when a library you want becomes available:
 
 * [Dispatch](https://github.com/dispatch/reboot/issues/134)
+* [Ensime](https://github.com/ensime/ensime-server/issues/1414)
 * [Play](https://github.com/playframework/playframework/issues/6110)
 * [sbt-catalysts](https://github.com/typelevel/sbt-catalysts/issues/11)
 * [scala-refactoring](https://github.com/scala-ide/scala-refactoring/issues/168)