Issues with Jackson dependencies

Hey, I am having some trouble using this library in a project that also depends on spark. The issue is that this library requires a jackson parser that is > 2.7.0 which conflicts with spark. Would it be possible to shade this dependency as it is a common one that causes issues across libraries? Thanks so much for your help!

Specifically this is the stacktrace i get:

```
java.lang.NoSuchMethodError: com.fasterxml.jackson.databind.type.TypeBindings.create(Ljava/lang/Class;[Lcom/fasterxml/jackson/databind/JavaType;)Lcom/fasterxml/jackson/databind/type/TypeBindings;
at com.microsoft.rest.serializer.JacksonAdapter.constructJavaType(JacksonAdapter.java:119)
at com.microsoft.rest.serializer.JacksonAdapter.deserialize(JacksonAdapter.java:131)
at com.microsoft.rest.ServiceResponseBuilder.buildBody(ServiceResponseBuilder.java:216)
at com.microsoft.rest.ServiceResponseBuilder.build(ServiceResponseBuilder.java:110)
at com.microsoft.azure.AzureResponseBuilder.build(AzureResponseBuilder.java:56)
at com.microsoft.azure.management.resources.implementation.SubscriptionsInner.listDelegate(SubscriptionsInner.java:336)
at com.microsoft.azure.management.resources.implementation.SubscriptionsInner.access$200(SubscriptionsInner.java:38)
at com.microsoft.azure.management.resources.implementation.SubscriptionsInner$11.call(SubscriptionsInner.java:323)
at com.microsoft.azure.management.resources.implementation.SubscriptionsInner$11.call(SubscriptionsInner.java:319)
at rx.internal.operators.OnSubscribeMap$MapSubscriber.onNext(OnSubscribeMap.java:69)
at retrofit2.adapter.rxjava.RxJavaCallAdapterFactory$RequestArbiter.request(RxJavaCallAdapterFactory.java:173)
at rx.Subscriber.setProducer(Subscriber.java:211)
at rx.internal.operators.OnSubscribeMap$MapSubscriber.setProducer(OnSubscribeMap.java:102)
at retrofit2.adapter.rxjava.RxJavaCallAdapterFactory$CallOnSubscribe.call(RxJavaCallAdapterFactory.java:152)
at retrofit2.adapter.rxjava.RxJavaCallAdapterFactory$CallOnSubscribe.call(RxJavaCallAdapterFactory.java:138)
at rx.Observable.unsafeSubscribe(Observable.java:10142)
at rx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:48)
at rx.internal.operators.OnSubscribeMap.call(OnSubscribeMap.java:33)
at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)
at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)
at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:48)
at rx.internal.operators.OnSubscribeLift.call(OnSubscribeLift.java:30)
at rx.Observable.subscribe(Observable.java:10238)
at rx.Observable.subscribe(Observable.java:10205)
at rx.observables.BlockingObservable.blockForSingle(BlockingObservable.java:444)
at rx.observables.BlockingObservable.single(BlockingObservable.java:341)
at com.microsoft.azure.management.resources.implementation.SubscriptionsInner.list(SubscriptionsInner.java:244)
at com.microsoft.azure.management.resources.implementation.SubscriptionsImpl.list(SubscriptionsImpl.java:38)
at com.microsoft.ml.spark.AzureLoadBalancer.(AzureLoadBalancer.scala:24)
at com.microsoft.ml.spark.AzureLoadBalancer$.deployFromParameters(AzureLoadBalancer.scala:173)
```