mtymes: initial matcher implementation
mtymes: new FieldValue class
mtymes introduced matching of group fields
mtymes:
- introduced new classes: Header and Group
- renamed method from fixMessageOfType -> isFixMessageOfType
mtymes:
- FIXMessageMatcher class:
    - is not generic by Message type
    - messageType is optional
mtymes: shortened test
mtymes: conquered my ego and removed my name from the package name
mtymes: provided description for message mismatch
mtymes: updated field validation test
mtymes: updated group field validation test
mtymes: introduced class FIXMatchers
mtymes: renaming method in FIXMatchers: isMessage -> isFIXMessage
Merge branch 'master' of https://github.com/MatejTymes/QuickFixUtils into remoteGITHUB