Merge branch '62-fix-constraints-in-trigger' into 'dev'

fix

Closes #62

See merge request sa4-2020/the-sanmarinoes/backend!90

src/main/java/ch/usi/inf/sa4/sanmarinoes/smarthut/models/Trigger.java

@@ -26,7 +26,7 @@ public abstract class Trigger<D extends Device> {
     @ApiModelProperty(hidden = true)
     private long id;
 
-    @ManyToOne(targetEntity = OutputDevice.class)
+    @ManyToOne(targetEntity = Device.class)
     @JoinColumn(name = "device_id", updatable = false, insertable = false)
     @GsonExclude
     private D device;