Move utility functions into an Angular service.
Move utility functions into an Angular service.

Convert chartFactionsStream into an Angular directive.
Edit comment.
Semicolons.
Convert chartCombatants and chartDeaths into Angular directives.
Spacing.
Convert chartCoappear into an Angular directive.
Remove commented lines.
Load only source files under test.
Test caching.
Add cache control.
Require memcachier first.
Cache static assets for a year.
Add cache control.
Add cache control.