Consolidates to node-fetch 2.6.7 as Octokit requires v2

- Adds proper error handling & messaging
  - Handles uncommitted lines
Adds open prior blame to hover on uncommitted lines

Avoids saving/re-saving object if it isn't changing

Avoids re-export from git provider service

Abstracts node path imports to system/path

Adds more docs
Removes unused original file name from diff calls

Avoids default params to reduce garbage

For virtual workspaces. Will be continually converting strings to Uris

Moves eslint ignores into rc file
 Removes unused dev dependency

Possible catastrophic backtracking with large inputs (very unlikely in the wild)

Improves stale issue handling after updates

Adds image minify webpack config for debugging

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