add vim-minimap

sources_non_forked/vim-minimap/README.md

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+A code minimap for Vim
+======================
+
+The Sublime text-editor can display an useful overview of the code as a
+*minimap* sidebar.
+
+We can implement the same thing in Vim, relying on the [Drawille
+library](https://github.com/asciimoo/drawille) to 'draw' in text mode.
+
+![minimap in action](http://picdrop.t3lab.com/qqpdtsbTow.gif)
+
+This code is made available under a MIT license. See [LICENSE](LICENSE) for
+details.
+
+Features
+--------
+
+- displays the minimap of the currently active buffer (and updates when
+  switching to a different buffer)
+- synchronized scrolling
+- live update while typing
+
+Installation
+------------
+
+Note that this extension requires Vim with Python support.
+
+### Vundle
+
+With [vundle](https://github.com/gmarik/Vundle.vim), simply add: `Plugin
+'severin-lemaignan/vim-minimap'` to your `.vimrc` and run `:PluginInstall` from
+vim.
+
+### Janus
+
+With Janus just clone inside ```.janus```.
+
+```
+cd ~/.janus
+git clone https://github.com/severin-lemaignan/vim-minimap.git vim-minimap
+```
+
+Usage
+-----
+
+`:Minimap` to show the minimap, `:MinimapClose` to hide it.
+
+Default mappings: `<Leader>mm` to display the minimap, `<Leader>mc` to close it.
+
+To overwrite the default keybindings, using following settings in ``.vimrc'':
+
+```
+let g:minimap_show='<leader>ms'
+let g:minimap_update='<leader>mu'
+let g:minimap_close='<leader>gc'
+let g:minimap_toggle='<leader>gt'
+```
+
+Settings
+--------
+
+You can customize the color of the highlighting by setting `g:minimap_highlight` in your vimrc:
+
+`let g:minimap_highlight='Visual'`
+
+Note: To find out which highlights are available on your vim installation use :hi to get the list.
+
+Troubleshooting
+---------------
+
+- Weird display
+
+Certain fonts do not display plain dots and empty spaces, but
+plain dots and circles for braille characters. As a result, you may want to use
+any other font that display braille characters in a way that suit the minimap
+plugin, like `Ubuntu Mono`, or `Droid Sans Mono`.
+
+For example, with `Inconsolata`:
+![image](https://cloud.githubusercontent.com/assets/7250745/8083430/c48e5c44-0f84-11e5-9cba-20d7e2eac0c5.png)
+
+With `Ubuntu Mono`
+![image](https://cloud.githubusercontent.com/assets/7250745/8083436/d4aaf9d4-0f84-11e5-9383-cb02bba384bc.png)
+