Add writes to campus.md
Added writes to categories.md
Updated campus.md to not use top-level node
Updated churches.md with UPDATE info
Added writes info to events.md
Added writes to projections.md
Added writes info to record.md
Added writes to regions.md
Added writes info to service_times.md
Added warning to category deletion
Added writes info to users.md
Added status code for campus/create
Explain how week_reference will be determined
Merge branch 'master' into writes

Conflicts:
	sections/campuses.md
	sections/regions.md
Merge pull request #3 from lifechurch/writes

Writes