#19 Added function symbol for key derivation
#19 Separated scrypt's keyderivation function into its own modular unit
#19 Renamed files to passwordhash and removed functionality now present in keyderivation
#19 Now referring to the newly refactored files
#19 Compiling and linking against newly refactored files
Made posixconfig more robust
#22 Removed encryption/decryption functionality as well as their related tests
#21 Using openssl base64 functionality
Major rebase to neaten history