Removes re-export of config from configuration

Avoids static class

Until the VS Code marketplace can truly handle pre-releases we can't adopt the current limited pre-release provided by VS Code

Deprecates Insiders extension

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)

- Changes request failures to only disconnect the integration for the current session
 - Limits to 5 failed request before disconnecting the integration
 - Avoids disconnect prompt for current session disconnections
 - Adds don't show again to request failure messages
 - Adds integration suspension message w/ don't show again option

Updates upgrade notification

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

Should hopefully no longer be required

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

Switches to use new context.extension

Makes them conditional on state

Unifies tag parsing to include msg, ref, & dates
Bumps required Git to 2.7.2
Adds more tag sorting options similar to branches

Opens Welcome for v10

Giving up on better else/catch/finally formatting -- can't fight anymore
Switching to tabs for better accessibility
https://twitter.com/sh4na/status/1146837957200027648