BAPL-288: Upgrade gwtmockito and powermock to latest stable versions (#441)

Author: Jozef Marko

pom.xml

@@ -133,7 +133,7 @@
     <version.com.google.inject.guice>4.0</version.com.google.inject.guice>
     <version.com.google.gwt>2.8.2</version.com.google.gwt>
     <version.org.google.gwt-charts>0.9.9</version.org.google.gwt-charts>
-    <version.com.google.gwt.gwtmockito>1.1.6</version.com.google.gwt.gwtmockito>
+    <version.com.google.gwt.gwtmockito>1.1.8</version.com.google.gwt.gwtmockito>
     <version.org.google.gwt.visualization>1.0.2</version.org.google.gwt.visualization>
     <version.com.google.javascript.closure-compiler>r1741</version.com.google.javascript.closure-compiler>
     <version.com.google.jsinterop>1.0.1</version.com.google.jsinterop>
@@ -332,7 +332,7 @@
     <version.org.owasp.encoder>1.2</version.org.owasp.encoder>
     <version.org.picketbox>5.0.3.Final</version.org.picketbox>
     <version.org.picketlink>2.5.5.SP12</version.org.picketlink>
-    <version.org.powermock>1.6.3</version.org.powermock>
+    <version.org.powermock>1.7.4</version.org.powermock>
     <version.org.python>2.5.3</version.org.python>
     <version.org.quartz-scheduler>2.2.3</version.org.quartz-scheduler>
     <version.org.reflections>0.9.11</version.org.reflections>