Update readme and test app for v0.6.1 release

Author: dhei

README.md

@@ -50,7 +50,7 @@ Below are the steps on how to integrate our compiled libraries in your applicati
 
     ```groovy
     dependencies {
-        def mobileCenterSdkVersion = '0.6.0'
+        def mobileCenterSdkVersion = '0.6.1'
         compile "com.microsoft.azure.mobile:mobile-center-analytics:${mobileCenterSdkVersion}"
         compile "com.microsoft.azure.mobile:mobile-center-crashes:${mobileCenterSdkVersion}"
         compile "com.microsoft.azure.mobile:mobile-center-distribute:${mobileCenterSdkVersion}"

apps/sasquatch/build.gradle

@@ -22,7 +22,7 @@ android {
 }
 
 dependencies {
-    def version = "0.6.0"
+    def version = "0.6.1"
     compile "com.android.support:appcompat-v7:${rootProject.ext.supportLibVersion}"
     projectDependencyCompile project(':sdk:mobile-center-analytics')
     projectDependencyCompile project(':sdk:mobile-center-crashes')