MLIBZ-551 fixing url formatting for delete, and not adding a payload on delete instead of setting it as null explicitly

Author: edatkinvey

Android-Libtester/Android-Libtester.csproj

@@ -14,7 +14,7 @@
     <AndroidApplication>True</AndroidApplication>
     <AndroidUseLatestPlatformSdk>True</AndroidUseLatestPlatformSdk>
     <AssemblyName>Android-Libtester</AssemblyName>
-    <TargetFrameworkVersion>v5.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v5.1</TargetFrameworkVersion>
     <AndroidManifest>Properties\AndroidManifest.xml</AndroidManifest>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">

Kinvey-Android.1.5.3.nupkg

@@ -451,7 +451,7 @@ public SaveRequest (T entity, string entityId, Type myClass, SaveMode update, Ab
 		public class DeleteRequest : AbstractKinveyOfflineClientRequest<KinveyDeleteResponse>
 		{
 
-			private const string REST_PATH = "appdata/{appkey}/{collectionName}/{entityID}";
+			private const string REST_PATH = "appdata/{appKey}/{collectionName}/{entityID}";
 
 			[JsonProperty]
 			public string CollectionName { get; set; }

Kinvey-Xamarin/AppData.cs

@@ -260,16 +260,19 @@ public RestRequest BuildRestRequest()
 					restRequest.Method = Method.DELETE;
 					break;
             }
-			if (this.HttpContent == null && requestMethod.Equals(HttpMethod.Post) )
-            {
-                restRequest.AddBody(new object());
-            }
+
+
+			if (this.HttpContent == null && requestMethod.Equals (HttpMethod.Post)) {
+				restRequest.AddBody (new object ());
+			} else if (this.HttpContent == null ) {
+				//don't add a request body
+			}
             else
             {
 				restRequest.AddParameter(PayloadType.getContentType(), PayloadType.getHttpContent(HttpContent), ParameterType.RequestBody);
             }
-            foreach (var header in requestHeaders)
-            {
+
+            foreach (var header in requestHeaders){
 				restRequest.AddHeader(header.Name, header.Value.FirstOrDefault());
             }            
 

Kinvey-Xamarin/Core/AbstractKinveyClientRequest.cs

@@ -0,0 +1,13 @@
+1.  Right click the *References* folder within your project -> **Edit References** -> **.Net Assembly** -> Navigate to download location of kinvey library, and add all the dll files.
+2. Right click your project ->  **Add** ->  **Add Packages** 
+
+
+Microsoft.Bcl version="1.1.0" 
+Microsoft.Bcl.Async version="1.0.168"
+Microsoft.Bcl.Build version="1.0.21"
+Microsoft.Net.Http version="2.2.29"
+modernhttpclient version="2.4.2"
+Newtonsoft.Json version="6.0.8"
+SQLite.Net.Async-PCL version="3.0.5"
+SQLite.Net-PCL version="3.0.5"
+Kinvey version="1.5.0"