Removes strict-boolean-expressions because its too noisy

Avoids unneeded `void`s to know if return value is intentionally discarded
Uses `type` imports when possible (avoids unneeded bundling)

Reworks all usages to use configuration.get

Removes unused key property

Avoids circular imports

Providers can now choose how to handle editor contents blaming
Simplies "commit" line model to just have line & originalLine
  - Not really accurate for log parsing, but close enough
Adds forces line blame to improve performance

First pass at converting "blame" commits into a unified model

Refactors Git static class into an instance (so it could be re-used for vsls)
Reworks vsls guest for better stability

Avoids 'system' imports

Reworks revision uris to use a packed authority for better stability

Adds new visited paths trie for fast lookup of seen paths (to avoid git calls)
Replaces the tracked cache with a paths trie
All tries are case aware based on os and scheme (if uri based)

Adds new detectNestedRepositories setting to improve performance
Automatically handles nested repos for open document and remaps paths
Reworks isTracked for perf & nested repo detection

Changes excludes to a Set for faster matching
Splits getRepository into get & create (also removes async for get)
Replaces repo path methods with repo versions (part of moving away from string paths)
Renames getRemotes to getRemotesWithProviders & getRemotesCore to getRemotes

Avoids debouncing repo change events
Allows for immediate resetting up data, but still debounces updates
Also avoids a repo change event clearing valuable data after the fact

Reorganizes local git support to exclude from web
Swaps sha1 usages to md5 to avoid needing sha1 on the web (md5 is required by Gravatar)
Avoids crypto-browserfy and imports md5.js directly
Uses platform crypto for random nonce strings

This is to ultimately will support virtual repositories (without git)

Adds repo change events for rebase, merge, and cherry-pick
Clears some caches only when specific change occurs

Makes them conditional on state

Even if the active line didn't change