Converted ShatteredPD to Build from Gradle

Major Changes:
- Shattered now builds effortlessly either from gradle CLI or android studio
- Much better dependency management through gradle (although it's not really used atm)
- Separate PD-classes repo is now SPD-classes module within main repo

SPD-classes/src/main/java/com/watabou/utils/BitmapFilm.java

@@ -0,0 +1,63 @@
+/*
+ * Pixel Dungeon
+ * Copyright (C) 2012-2015  Oleg Dolya
+ *
+ * Shattered Pixel Dungeon
+ * Copyright (C) 2014-2016 Evan Debenham
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package com.watabou.utils;
+
+import java.util.HashMap;
+
+import android.graphics.Bitmap;
+import android.graphics.Rect;
+
+public class BitmapFilm {
+
+	public Bitmap bitmap;
+	
+	protected HashMap<Object,Rect> frames = new HashMap<Object, Rect>();
+	
+	public BitmapFilm( Bitmap bitmap ) {
+		this.bitmap = bitmap;
+		add( null, new Rect( 0, 0, bitmap.getWidth(), bitmap.getHeight() ) );
+	}
+	
+	public BitmapFilm( Bitmap bitmap, int width ) {
+		this( bitmap, width, bitmap.getHeight() );
+	}
+	
+	public BitmapFilm( Bitmap bitmap, int width, int height ) {
+		this.bitmap = bitmap;
+		int cols = bitmap.getWidth() / width;
+		int rows = bitmap.getHeight() / height;
+		for (int i=0; i < rows; i++) {
+			for (int j=0; j < cols; j++) {
+				Rect rect = new Rect( j * width, i * height, (j+1) * width, (i+1) * height );
+				add( i * cols + j, rect );
+			}
+		}
+	}
+	
+	public void add( Object id, Rect rect ) {
+		frames.put( id, rect );
+	}
+	
+	public Rect get( Object id ) {
+		return frames.get( id );
+	}
+}