Version 2.0.3

It is recommended to upgrade to this version, older versions have the security issue described in #160.

API:

• Added PUT /client/{id} api for updating clients (#101 fixed in #164 by @GianOrtiz)

Server:

• Fixed WebSocket allowed origin verification with ports (#149 fixed in #150)
• Use cryptographic random source for token generation (#160 fixed in #161)

UI:

• Added updating client dialog (#101 fixed in #164 by @GianOrtiz)
• Run e2e tests in prod mode (#157)

Fixed typo in readme (@mikeshatch #155)