upgrading jackson to 2.7.9 PROPERLY this time...

Author: Matt Darwin

java/vector/pom.xml

@@ -39,12 +39,12 @@
  <dependency>
  <groupId>com.fasterxml.jackson.core</groupId>
  <artifactId>jackson-annotations</artifactId>
- <version>2.7.1</version>
+ <version>${jackson.version}</version>
  </dependency>
  <dependency>
  <groupId>com.fasterxml.jackson.core</groupId>
  <artifactId>jackson-databind</artifactId>
- <version>2.7.1</version>
+ <version>${jackson.version}</version>
  </dependency>
  <dependency>
  <groupId>com.carrotsearch</groupId>