Tilo15/usm: Universal Source Manifest @ c8675fd0c95e4d781a290110626c8e278cb392ed

Billy Barrow c8675fd0c9 Broken changes		пре 6 месеци
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CachedPackage.vala	c8675fd0c9 Broken changes	пре 6 месеци
OriginInformation.vala	f1461826d8 Untested implementation of system state	пре 6 месеци
State.vala	b0fadb1376 Move state path into config, move resource install/remove logic into manifest class, implement transaction strategy	пре 6 месеци