Merge branch 'feature/JSONClass' into develop

app/build.gradle

@@ -17,14 +17,19 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
+    packagingOptions {
+        exclude 'META-INF/LICENSE'
+    }
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
     compile 'com.android.support:appcompat-v7:26.+'
     compile 'com.android.support.constraint:constraint-layout:1.0.2'
     testCompile 'junit:junit:4.12'
+    compile files('libs/jackson-core-2.9.2.jar')
+    compile files('libs/jackson-databind-2.9.2.jar')
+    compile files('libs/jackson-annotations-2.9.2.jar')
 }