Various fixes

Modify AOSP mount and wipe functions to use Partition Manager.
Update wipe code to reset the log file index when wiping cache.
Add ADB sideload to 540x960 theme.
diff --git a/twinstall.cpp b/twinstall.cpp
index af53256..4bc6942 100644
--- a/twinstall.cpp
+++ b/twinstall.cpp
@@ -287,7 +287,7 @@
 			LOGE("No MD5 file found for '%s'.\nDisable force MD5 check to avoid this error.\n", path);
 			return INSTALL_CORRUPT;
 		} else
-			ui_print("No MD5 file found, this is not an error.\n");
+			ui_print("Skipping MD5 check: no MD5 file found.\n");
 	} else if (md5_return == 1)
 		ui_print("Zip MD5 matched.\n"); // MD5 found and matched.