tools: Combine all security tools into one; Add Export/Import/Delete/Unlock/AddACL command

There might be some bugs in the tools combined, but the purpose of this commit is to combine the tools rather than fixing bugs.

Change-Id: I2924067d666eacfc278ebd07e7e178c54a2f7362
diff --git a/tools/wrapper/ndnsec-sign-req.sh b/tools/wrapper/ndnsec-sign-req.sh
new file mode 100644
index 0000000..15aef6c
--- /dev/null
+++ b/tools/wrapper/ndnsec-sign-req.sh
@@ -0,0 +1,3 @@
+#!@SH@
+
+`dirname "$0"`/ndnsec sign-req "$@"
\ No newline at end of file