Changes to schema
Added org.clojure/math.combinatorics dependency
Unused schedule block functions deleted
Basic schedule proposal sanity checks implemented
Schedule checks emit schedule check errors
Merge branch 'origin-database-api-refactor' into origin-scheduling

Conflicts:
	project.clj
	src/xiast/query.clj
Fixed mockdata, should be removed though
Scheduling checks and some query updates
Moved query.clj maps