Implemented Android Smart Card Emulator

Includes jCardSim to emulate the following Java Card Applets in
Android's host card emulation:

- jCardSim Team's Hello World Applet
- Philip Wendland's ISO Applet
- Yubico's OpenPGP Applet
- Yubico's OATH Applet

ACardEmulator/app/src/main/res/values/styles.xml

@@ -0,0 +1,8 @@
+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+    </style>
+
+</resources>