Added my Android build files to iphone branch, added #ifdef ANDROID and fixed some missed includes in sources

build/Android/project/default.properties

@@ -0,0 +1,13 @@
+# This file is automatically generated by Android Tools.
+# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
+# 
+# This file must be checked in Version Control Systems.
+# 
+# To customize properties used by the Ant build system use,
+# "build.properties", and override values to adapt the script to your
+# project structure.
+
+# Project target.
+target=android-4
+# Indicates whether an apk should be generated for each density.
+split.density=false