update appcompat to 23.3.0

Author: Cliffus

app/build.gradle

@@ -21,7 +21,7 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:23.1.1'
+    compile 'com.android.support:appcompat-v7:23.3.0'
     compile project(':expandabletextview')