quick fix for importing draw tools, etc files - text/* works so much better than file/*

it should probably be passed through from the javascript side though...

mobile/src/com/cradle/iitc_mobile/IITC_FileManager.java

@@ -334,7 +334,7 @@ public class IITC_FileManager {
 
             // create the chooser Intent
             final Intent target = new Intent(Intent.ACTION_GET_CONTENT)
-                    .setType("file/*")
+                    .setType("text/*")
                     .addCategory(Intent.CATEGORY_OPENABLE);
             final IITC_Mobile iitc = (IITC_Mobile) mActivity;