Display blog post from database.
Proper date from DB in blog post.
Change test data for blog post.
League Blog and Menu

Can view a league's entire blog on one page.
There's now a league menu, made visible when a player has a current
league.
If the player is also the league owner then at least one extra menu
item appears.
Merge branch 'league-blog'
Update schema scripts for live releases
Comment out menu items that aren't ready yet.
Test data for blog posts.
Use spring repos.