MBS-2966: Give artist credits a special mark
MBS-2966: Document what the asterisk is for

Unfortunately there isn't any way to know if a given page has a name variation or not, so this text is shown on all pages.
MBS-3412: Show recording name in tooltip
MBS-4605: Rename CAA S3 settings to (better) match reality
Make a basic DBDefs::Default file
Change to have a DBDefs::Default class, and use it... frickin' everywhere
MBS-4578: Switch to using __FILE__ and File::Spec/Cwd for MB_SERVER_ROOT
MBS-4578: clean up .default
MBS-4578: rename DBDefs.pm.default to DBDefs.pm.sample
Merge branch 'master' into mbs-4578-dbdefs

Conflicts:
	lib/MusicBrainz/Server/Connector.pm
	lib/MusicBrainz/Server/Model/MB.pm
MBS-4578: correct Model::MB with '::' -> '->' change after merge.
MBS-4578: remove DB_SCHEMA_SEQUENCE from DBDefs::Default to prevent accidental increments due to git updates
MBS-5246, Implement html5 validation using validator.nu.
MBS-5246, Force STDOUT/STDERR to utf8 in Server::Test, to silence "Wide character" warnings from Test::Builder. Add a few more validator warnings to the ignore list.
MBS-5246, Provide a way to save the html which fails validation in a test to a /tmp/ file for inspection.
MBS-5246, Allow <img> elements without an alt="" attribute.
MBS-5246, Check well-formedness of html output as xhtml instead of xml.
MBS-5247, DOCTYPE and lang attribute html5 compatibility fixes.
MBS-5247, Fix empty action="" attributes on forms.
MBS-5247, Correctly close <img /> tag.