Upgrade hamcrest to 3.0 (#538)

Upgrade hamcrest from 2.2 to 3.0

Changelog:
https://github.com/hamcrest/JavaHamcrest/releases/tag/v3.0
https://github.com/hamcrest/JavaHamcrest/releases/tag/v3.0-rc1

Signed-off-by: Holger Friedrich <mail@holger-friedrich.de>

Author: holgerfriedrich

pom.xml

@@ -105,7 +105,7 @@
     <dependency>
       <groupId>org.hamcrest</groupId>
       <artifactId>hamcrest-library</artifactId>
-      <version>2.2</version>
+      <version>3.0</version>
       <scope>test</scope>
     </dependency>
     <dependency>