Next release of jce

[kushaldas]

Features we want

• [x] Automated db schema upgrade for KeyStore #64

• [ ] Tests for smartcard features #58

• [ ] Add new subkey

• [x] Change the expiration date of a subkey

• [ ] Revoke a subkey

• [x] Add new user id #62

• [x] Revoke user id #67

• [x] Add a table to store jce version

• [x] Change the password of a key #66

[SaptakS]

@kushaldas we will also need to add a feature to change passphrases.

[kushaldas]

I guess I should just go ahead and make a release.

[kushaldas]

We can close this one too.