added some more storage styles for comment fields
Also allow slashes as separator in date fields
Added test for date with slashed and fixed date regex
Fixed getting description for wma file with standard WMA attributes
Merge pull request #1043 from kiefermat/mediafile_comments_and_year

Added slash separator to DateField and more comments styles to MediaFile
Back out `desc` styles from #1043

More discussion to come.
Changelog for #1043