Bump imagej-common to 2.1.2

Includes mu fix from mdoube

Author: hinerm

pom.xml

@@ -528,7 +528,7 @@
 		<net.imagej.imagej.version>${imagej.version}</net.imagej.imagej.version>
 
 		<!-- ImageJ Common - https://github.com/imagej/imagej-common -->
-		<imagej-common.version>2.1.1</imagej-common.version>
+		<imagej-common.version>2.1.2</imagej-common.version>
 		<net.imagej.imagej-common.version>${imagej-common.version}</net.imagej.imagej-common.version>
 
 		<!-- ImageJ Deprecated - https://github.com/imagej/imagej-deprecated -->