Updates GitLens logo
Adds CodeStream sponsor

Moves Support GitLens up in README
Removes Support GitLens from Settings page

Keeps all path manipulation on the host rather than guest
Fixes shared/local path munging for mac/windows
Keeps current user lookup local when a guest
Keeps difftool lookup local when a guest
Avoids fetch date lookup when a guest
Stops clearing node_modules (for now)

Adds search commits button to view

Updates README (wip)
Updates welcome & settings pages (wip)

Adds codeLens.includeSingleLineSymbols setting

Changes changelog image links to permalinks
Moves all images for docs into a docs folder
Removes unused images

Closes #354 - Adds line history explorer (wip)
Closes #456 - Adds repository status to the repository nodes

Renanes "Compare x with" commands

Removes gitlens.advanced.git setting

Changes rebase & reset terminal commands to apply to all commit nodes

Adds clearing of the user cache on config change
Fixes lint issues and adds some comments