Password based encryption support
move init to a static factory
extract pbkdf2 to an interface
Fixing broken tests after the latest rebase
Unit testing encryption/decryption with plain strings
Fixing a length check
README description for the project
Javadoc documentation
[maven-release-plugin] prepare release 0.1.0
[maven-release-plugin] prepare for next development iteration
added private constructor to AeroGearCrypto
improved Utils.checkSize
minor spelling corrections in README.md
removed unused import in CryptoBoxTest
improved Utils.newByteArray when passing null object
extracted activity class name in Util static block to constant
changed NPE to IllegalArgumentException in Utils
Merge branch 'repairs'