Materialized the UI, added runtme permissions support, now compiling against 24

sample_app/build.gradle

@@ -17,8 +17,9 @@ repositories {
 
 dependencies {
     compile 'com.jakewharton:butterknife:7.0.1'
-    compile 'com.android.support:appcompat-v7:22.2.0'
+    compile 'com.android.support:appcompat-v7:24.2.0'
     compile 'com.commonsware.cwac:merge:1.1.0'
+    compile 'com.anthonycr.grant:permissions:1.0'
     compile fileTree(include: ['*.jar'], dir: 'libs')
     compile project(':library')
 }