Fix off-by-one bug in post pagination
A go get flag to fetch packages needed for tests
Rename Basedir() to Bindir()
Pass bindir as parameter to initRoutes()
Simplify PathToFullPath()
Put all output to a build dir

Stop splattering output files around, put everything under one build
dir. Unignore a bunch of files that had to be ignored before.
Add clean target
Modify deploy script to use build dir
Fixup cover script to stop polluting source tree
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.
Fix bad merge
Fix Commenter IP column name
Migrate Comment struct and SQL to gorm