Merge Andrew - Bug #683931: Drizzledump not preserving column comments during migration from MySQL
Merge Andrew - Bug #684434: drizzledump --databases option does not appear to work
Merge Andrew - Bug #685700: Drizzledump not handling FLOAT UNSIGNED when migrating from MySQL
Merge Andrew - Bug #685701: Drizzledump not preserving FLOAT precisions during MySQL migration if no decimal value given