Create multiple summary posts if activity won't fit on one.

Intended to fix the 'going dark' bug.
Population report script
Add a quick-and-dirty 'context' command for testing
Pathfinding!
fixup! Pathfinding!
Homeland defense
Adding jotunheim to valkyribot
Fix off-by-one in homeland defense buff
Merge branch 'master' of github.com:atiaxi/chromabot
Merge branch 'master' of llynmir.net:/opt/git/valkyribot into vb