Upgrade Jackson dependency from 2.4.5 to 2.7.0

FasterXML/jackson-databind#543
was fixed and we have deprecated KvCoderBase and MapCoderBase
which were used as work arounds for the issue.

----Release Notes----

[]
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=112801278

examples/pom.xml

@@ -276,11 +276,11 @@
               <location>${basedir}/../javadoc/guava-docs</location>
             </offlineLink>
             <offlineLink>
-              <url>http://fasterxml.github.io/jackson-annotations/javadoc/2.4/</url>
+              <url>http://fasterxml.github.io/jackson-annotations/javadoc/2.7/</url>
               <location>${basedir}/../javadoc/jackson-annotations-docs</location>
             </offlineLink>
             <offlineLink>
-              <url>http://fasterxml.github.io/jackson-databind/javadoc/2.4/</url>
+              <url>http://fasterxml.github.io/jackson-databind/javadoc/2.7/</url>
               <location>${basedir}/../javadoc/jackson-databind-docs</location>
             </offlineLink>
             <offlineLink>

javadoc/jackson-databind-docs/package-list

@@ -1,2 +1,20 @@
 com.fasterxml.jackson.databind
 com.fasterxml.jackson.databind.annotation
+com.fasterxml.jackson.databind.cfg
+com.fasterxml.jackson.databind.deser
+com.fasterxml.jackson.databind.deser.impl
+com.fasterxml.jackson.databind.deser.std
+com.fasterxml.jackson.databind.exc
+com.fasterxml.jackson.databind.ext
+com.fasterxml.jackson.databind.introspect
+com.fasterxml.jackson.databind.jsonFormatVisitors
+com.fasterxml.jackson.databind.jsonschema
+com.fasterxml.jackson.databind.jsontype
+com.fasterxml.jackson.databind.jsontype.impl
+com.fasterxml.jackson.databind.module
+com.fasterxml.jackson.databind.node
+com.fasterxml.jackson.databind.ser
+com.fasterxml.jackson.databind.ser.impl
+com.fasterxml.jackson.databind.ser.std
+com.fasterxml.jackson.databind.type
+com.fasterxml.jackson.databind.util

pom.xml

@@ -74,7 +74,7 @@
     <google-clients.version>1.21.0</google-clients.version>
     <guava.version>19.0</guava.version>
     <hamcrest.version>1.3</hamcrest.version>
-    <jackson.version>2.4.2</jackson.version>
+    <jackson.version>2.7.0</jackson.version>
     <joda.version>2.4</joda.version>
     <junit.version>4.11</junit.version>
     <protobuf.version>2.5.0</protobuf.version>

sdk/pom.xml

@@ -253,11 +253,11 @@
               <location>${basedir}/../javadoc/hamcrest-docs</location>
             </offlineLink>
             <offlineLink>
-              <url>http://fasterxml.github.io/jackson-annotations/javadoc/2.4/</url>
+              <url>http://fasterxml.github.io/jackson-annotations/javadoc/2.7/</url>
               <location>${basedir}/../javadoc/jackson-annotations-docs</location>
             </offlineLink>
             <offlineLink>
-              <url>http://fasterxml.github.io/jackson-databind/javadoc/2.4/</url>
+              <url>http://fasterxml.github.io/jackson-databind/javadoc/2.7/</url>
               <location>${basedir}/../javadoc/jackson-databind-docs</location>
             </offlineLink>
             <offlineLink>

sdk/src/main/java/com/google/cloud/dataflow/sdk/coders/KvCoderBase.java

@@ -31,13 +31,15 @@
  *
  * @param <T> the type of values being transcoded
  */
+@Deprecated
 public abstract class KvCoderBase<T> extends StandardCoder<T> {
   /**
    * A constructor used only for decoding from JSON.
    *
    * @param typeId present in the JSON encoding, but unused
    * @param isPairLike present in the JSON encoding, but unused
    */
+  @Deprecated
   @JsonCreator
   public static KvCoderBase<?> of(
       // N.B. typeId is a required parameter here, since a field named "@type"

sdk/src/main/java/com/google/cloud/dataflow/sdk/coders/MapCoderBase.java

@@ -30,7 +30,9 @@
  * parameters).  This should be removed in favor of a better workaround.
  * @param <T> the type of values being transcoded
  */
+@Deprecated
 public abstract class MapCoderBase<T> extends StandardCoder<T> {
+  @Deprecated
   @JsonCreator
   public static MapCoderBase<?> of(
       // N.B. typeId is a required parameter here, since a field named "@type"