Adds advanced.fileHistoryFollowsRenames setting
Adds commands to set rename following to the GitLens explorer

- Removes mix-tree support
  - Avoids nesting on the current branch
  - Caches basename
  - Replaces folder icons with theme icons
    - Folder icons will now follow the file icon theme used
  - Fixes minor nitpicks

Updates dependencies

Updates all the screenshots
Updates welcome & settings

Since git log --follow drops merges, -m --first-parent adds them back

Adds repo name to results if there is more than 1

Adds repository creation detection when there are no repositories

Resolves chcken/egg issue with tracker and git service

Adds Merge Branch (via Terminal) command
Adds Rebase (Interactive) Branch (via Terminal) command
Adds Cherry Pick Commit (via Terminal) command
Adds Revert Commit (via Terminal) command
Adds Create Tag (via Terminal)... command
Adds Delete Tag (via Terminal) command

Adds Compare with Working command