Add Launchpad SUnit extensions #317

Job	Run time
Pharo64-10 + app-config	45s
Pharo64-10 + app-control	30s
Pharo64-10 + app-info	43s
Pharo64-10 + core	43s
Pharo64-10 + dependent-sunit-extensions	30s
Pharo64-10 + deployment	35s
Pharo64-10 + development	53s
Pharo64-10 + examples	51s
Pharo64-10 + healthcheck	43s
Pharo64-10 + json-rpc	31s
Pharo64-10 + loggers	1m 3s
Pharo64-10 + metrics	30s
Pharo64-10 + metrics-http	43s
Pharo64-10 + tests	38s
Pharo64-10 + tools	34s
Pharo64-11 + app-config	32s
Pharo64-11 + app-control	43s
Pharo64-11 + app-info	29s
Pharo64-11 + core	29s
Pharo64-11 + dependent-sunit-extensions	29s
Pharo64-11 + deployment	47s
Pharo64-11 + development	38s
Pharo64-11 + examples	33s
Pharo64-11 + healthcheck	29s
Pharo64-11 + json-rpc	44s
Pharo64-11 + loggers	45s
Pharo64-11 + metrics	29s
Pharo64-11 + metrics-http	44s
Pharo64-11 + tests	52s
Pharo64-11 + tools	15s
	19m 10s

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