Update trellis version

Author: acoburn

build.gradle

@@ -25,8 +25,8 @@ ext {
     jenaVersion = '3.10.0'
     jdbiVersion = '3.6.0'
     tamayaVersion = '0.3-incubating'
-    trellisVersion = '0.8.1-SNAPSHOT'
-    trellisDbVersion = '0.2.1-SNAPSHOT'
+    trellisVersion = '0.8.1'
+    trellisDbVersion = '0.2.1'
     snakeyamlVersion = '1.24'
 
     /* Databases */