Merge pull request #168 from auth0/update-dep

Use jackson-databind 2.9.7

Author: lbalmaceda

build.gradle

@@ -62,7 +62,7 @@ test {
 dependencies {
     compile 'com.squareup.okhttp3:okhttp:3.9.1'
     compile 'com.squareup.okhttp3:logging-interceptor:3.9.1'
-    compile 'com.fasterxml.jackson.core:jackson-databind:2.9.5'
+    compile 'com.fasterxml.jackson.core:jackson-databind:2.9.7'
     compile 'commons-codec:commons-codec:1.11'
 
     testCompile 'org.mockito:mockito-core:2.18.3'