* #1627 Replace BCryptService with Maven dependency
- Remove BCryptService in favor of a better BCrypt implementation (Maven dependency)
- Introduce BCryptHasher wrapping the dependency with more suitable methods
- Fix inaccurate details about salt length in docu annotation: for BCrypt it's always 22 chars
- Change phpBB hash to produce 2y hashes instead of 2a
* #1627 Use UTF-8 encoding when (dis)assembling Strings
* #1627 Small test additions
- Add new checkstyle checks: require Javadoc on large private methods, default in switch, declaration order & others
- Update path exclusions in CodeClimate config to match newly renamed classes (e.g. PHPBB -> PhpBB)
- Create consistency check testing that excluded paths exist as classes
- Fix some trivial violations
