Merge pull request #144 from scijava/update-bdv-vistools

Update  bigdataviewer-vistools to 1.0.0-beta-21

Author: ctrueden

pom.xml

@@ -709,7 +709,7 @@
 
 		<bigdataviewer-core.version>9.0.6</bigdataviewer-core.version>
 		<bigdataviewer-server.version>3.0.0</bigdataviewer-server.version>
-		<bigdataviewer-vistools.version>1.0.0-beta-20</bigdataviewer-vistools.version>
+		<bigdataviewer-vistools.version>1.0.0-beta-21</bigdataviewer-vistools.version>
 		<bigdataviewer_fiji.version>6.2.0</bigdataviewer_fiji.version>
 		<spim_data.version>2.2.4</spim_data.version>