Apply the following changes by Toomas Kiisk <vix@cyber.ee>:

* make openssl rsa work with -engine chil
* misc changes, including debug-linux-ppro Configure target
  and FORMAT_NETSCAPE-aware load_{,pub}key()

This completes the application of his changes.
diff --git a/apps/apps.h b/apps/apps.h
index c60b28a..db75538 100644
--- a/apps/apps.h
+++ b/apps/apps.h
@@ -257,6 +257,8 @@
 #define FORMAT_PKCS12   5
 #define FORMAT_SMIME    6
 #define FORMAT_ENGINE   7
+#define FORMAT_IISSGC	8	/* XXX this stupid macro helps us to avoid
+				 * adding yet another param to load_*key() */
 
 #define EXT_COPY_NONE	0
 #define EXT_COPY_ADD	1