Version bumped to 5.5.2 by buildsystem.
MySQL: Bump the required MySQL version to 5.5.
Loader: Bumped version in diagnostic message.
Loader: Normalized white space in startup messages.
Version bumped to 5.5.3 by buildsystem.
Version bumped to 5.5.4 by buildsystem.
Version bumped to 5.5.5 by buildsystem.