Only show category list on post submit/edit if there are categories
Merge pull request #240 from rpullinger/hide-categories-if-not-needed

Only show category list on post submit/edit if there are categories
Fix new post checkbox

New post checkbox wasn't showing the correct value
Merge pull request #242 from rpullinger/fix-new-posts-checkbox

Fix new post checkbox
use spin package instead of including code in the app
Merge with master