Extract MD5 hashing to a util func
Move all markdown-related stuff to a separate file
Fixup l10n to match case
Insert test user when testing w/ clean DB
Merge branch 'master' of github.com:rtfb/rtfblog
Refuse to run local PG instance if system-wide server is running
Init gorm and migrate Author struct
Migrate Tag struct to gorm
Add missing error check
Remove garbage print statement
Add TagMap struct and migrate some of its SQL to gorm
Simplify author() query func
Migrate some Commenter SQL to gorm
Use singular table names

This saves specifying each table name individually, leaving the need
only for those that are named completely out of gorm's understanding.