update mockito 2.12.0->2.19.0; jackson-databind 2.9.2->2.9.6; joda-time 2.9.9->2.10; system-rules 1.17.0->1.18.0; slf4j-simple 1.7.13->1.7.25

Author: TheSnoozer

pom.xml

@@ -59,7 +59,7 @@
 
     <jgit.version>4.5.4.201711221230-r</jgit.version>
     <junit.version>4.12</junit.version>
-    <mockito.version>2.12.0</mockito.version>
+    <mockito.version>2.19.0</mockito.version>
 
     <fest-assert.version>1.4</fest-assert.version>
   </properties>
@@ -88,14 +88,14 @@
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>
-      <version>2.9.2</version>
+      <version>2.9.6</version>
     </dependency>
 
     <!-- Joda Time -->
     <dependency>
       <groupId>joda-time</groupId>
       <artifactId>joda-time</artifactId>
-      <version>2.9.9</version>
+      <version>2.10</version>
     </dependency>
 
     <!-- Guava -->
@@ -166,15 +166,15 @@
     <dependency>
       <groupId>com.github.stefanbirkner</groupId>
       <artifactId>system-rules</artifactId>
-      <version>1.17.0</version>
+      <version>1.18.0</version>
       <scope>test</scope>
     </dependency>
 
     <!--to avoid complaints during tests-->
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
-      <version>1.7.13</version>
+      <version>1.7.25</version>
       <scope>test</scope>
     </dependency>
   </dependencies>