1. Also change the keyname delimiter in CertTool.java.
2. Return NOTFOUND if the result.len==0 in the listKeys().
3. Define the keystore states in the class Keystore.
1. Have the new Keystore for mini-keystore impelemntation.
2. Add CertTool library and jni dll for handling keygen and certificates.
3. Make Reply hidden.
4. Revert some 'incorrect' change and correct the description.