feature/version-control => ui/vc-gutter, emacs/vc

Reorganize vcs functionality. Moves the custom fringe bitmaps into :ui
vc-gutter.

init.example.el

@@ -13,7 +13,6 @@
        spellcheck        ; tasing you for misspelling mispelling
        (syntax-checker   ; tasing you for every semicolon you forget
         +childframe)     ; use childframes for error popups (Emacs 26+ only)
-       version-control   ; remember, remember that commit in November
        workspaces        ; tab emulation, persistence & separate workspaces
 
        :completion
@@ -42,6 +41,7 @@
       ;pretty-code       ; replace bits of code with pretty symbols
       ;tabbar            ; FIXME an (incomplete) tab bar for Emacs
       ;unicode           ; extended unicode support for various languages
+       vc-gutter         ; vcs diff in the fringe
        vi-tilde-fringe   ; fringe tildes to mark beyond EOB
        window-select     ; visually switch windows
 
@@ -55,6 +55,7 @@
       ;eshell            ; a consistent, cross-platform shell (WIP)
        imenu             ; an imenu sidebar and searchable code index
       ;term              ; terminals in Emacs
+       vc                ; version-control and Emacs, sitting in a tree
 
        :tools
        editorconfig      ; let someone else argue about tabs vs spaces