adds crappy system for delayed/looping spawns #669

Job	Run time
Compile Maps	1m 8s
Lint with OpenDream	28s
Find Maps to Test	9s
Run Linters	1m 12s
Windows Build	1m 14s
Unit Tests (almayer) / run_unit_tests	5m 57s
Unit Tests (bigredv2) / run_unit_tests	5m 59s
Unit Tests (corsat) / run_unit_tests	5m 53s
Unit Tests (chinook) / run_unit_tests	6m 5s
Unit Tests (derelict_almayer) / run_unit_tests	6m 21s
Unit Tests (fiorina_sciannex) / run_unit_tests	5m 56s
Unit Tests (golden_arrow) / run_unit_tests	5m 55s
Unit Tests (ice_colony_v1) / run_unit_tests	6m 0s
Unit Tests (desert_dam) / run_unit_tests	5m 57s
Unit Tests (ice_colony_v2) / run_unit_tests	5m 58s
Unit Tests (kutjevo) / run_unit_tests	6m 3s
Unit Tests (lv522_chances_claim) / run_unit_tests	6m 7s
Unit Tests (lv624) / run_unit_tests	6m 11s
Unit Tests (new_varadero) / run_unit_tests	5m 55s
Unit Tests (prison_station_fop) / run_unit_tests	6m 0s
Unit Tests (runtime) / run_unit_tests	5m 45s
Unit Tests (runtime_multiz) / run_unit_tests	6m 14s
Unit Tests (shivas_snowball) / run_unit_tests	5m 56s
Unit Tests (sorokyne_strata) / run_unit_tests	6m 26s
Unit Tests (whiskey_outpost_v2) / run_unit_tests	6m 1s
Alternate Tests (515, 1610, lv624) / run_unit_tests	6m 23s
Check Alternate Tests	1s
	2h 11m 14s

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