moved message dictionary loading to function

moved message dictoinary loading from main() to loadMessages(), moved
loadReasons() up
nick modification after nick choice

removed punctuation from nicknames, added probability for nicks to be
just lowercase
added user types/message flavour

flavour included so far: lowercase w/ and w/o punctuation, ALLCAPS, txt
spch (no vocals), normal casing w/ and w/o punctuation.
consolidated flavour print methods to writeWithFlavour