pom.xml: updated H2 to 1.3.173

@see http://www.h2database.com/html/changelog.html

No functional changes.

Author: php-coder

pom.xml

@@ -19,7 +19,7 @@
 		<spring.version>3.2.2.RELEASE</spring.version>
 		<spring.data.version>1.3.0.RELEASE</spring.data.version>
 		<spring.security.version>3.1.3.RELEASE</spring.security.version>
-		<h2.version>1.3.170</h2.version>
+		<h2.version>1.3.173</h2.version>
 		<javax.validation.version>1.1.0.Alpha1</javax.validation.version>
 		<javax.inject.version>1</javax.inject.version>
 		<javax.persistence.version>1.0.1.Final</javax.persistence.version>