[skip changelog] Update library specification to reflect recently added features#789

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per1234 merged 2 commits intoarduino:masterfrom

per1234:update-library-specification

Jul 6, 2020

Commits on Jul 5, 2020

[skip ci] Remove outdated statement re: Library Manager not handling library dependencies
per1234
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[skip ci] Update documentation re: library "import" behavior
per1234
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