Second Major Release -- Fixes Potential Length-Extension Exploit!

• Fixed a potential length-extension exploit on key exchange
• Updated Nonce class to be part of the main Orwell library rather than Bouncy Castle
• Cleaned up the library and organized sources into packages
• Removed Stripped Castle Source files and replaced with JAR file, they are now part of a separate project: https://github.com/gnu-user/strippedcastle

First official release of the Orwell library

• Cleaned up the repository and merged code from Tinfoil-SMS into the Orwell project.
• Added the strippedcastle library as a dependency, which is just a stripped down version of Spongcastle/BouncyCastle with some added features to support block cipher CTR mode when using IES.
• Fixed a bug that would result when attempting to decrypt data less than the size of the MAC.