[caesar] encryption/decryption test

- encryption now tested on reference implementation
- setup does not yet respect config
- number of rounds is not yet used
[general]  QtCreator target name fix

Wiki needs to be updated accordingly when merging to master!
[caesar] implementing encryption details

- data types for buffers
- buffer initialization and update according to configuration
- lengths moved to global caesar settings
- project seeding deleted
[general] verbosity directive added
[general] human readable test vectors

test vectors are now saved in hexa for manual inspection, if verbosity is at least 1
+ some polishing
[caesar] test set generation

generation for usage type DISTINGUISHER
[caesar] test vector headers, round limitgin for AES-GCM