Minimap Fixes

Another set of fixes to the minimap as suggested by @hlissner.

- Changed the use-package to :defer t
- Updated the README.org and removed the Hacks section
- Alphabetized the init.example.el list

init.example.el

@@ -33,6 +33,7 @@
        hl-todo           ; highlight TODO/FIXME/NOTE/DEPRECATED/HACK/REVIEW
        ;;hydra
        ;;indent-guides     ; highlighted indent columns
+       ;;minimap           ; show a map of the code on the side
        modeline          ; snazzy, Atom-inspired modeline, plus API
        ;;nav-flash         ; blink cursor line after big motions
        ;;neotree           ; a project drawer, like NERDTree for vim
@@ -47,7 +48,6 @@
        ;;window-select     ; visually switch windows
        workspaces        ; tab emulation, persistence & separate workspaces
        ;;zen               ; distraction-free coding or writing
-       ;;minimap           ; show a map of the code on the side
 
        :editor
        (evil +everywhere); come to the dark side, we have cookies