User Key Bindings for Sublime Text 2 - place this in .config/sublime-text-2/Packages/User

Default (Linux).sublime-keymap

  [
    // inserts / toggles erb tags <%=  %> | <%  %> | <%-  -%> | <%=  -%> | <%#  %> | <%  -%>  
    { "keys": ["ctrl+shift+."], "command": "erb" },
    // Fold / Unfold Comments
    { "keys": ["ctrl+shift+c"], "command": "toggle_fold_comments" },
    // Reindent all Lines 
    { "keys": ["ctrl+shift+r"], "command": "reindent" , "args": { "single_line": false } },   
    // layout: show right column full  / switch to single column layout
    {
      "keys": ["alt+right"],
      "command": "set_layout",
      "args":
      {
        "cols": [0.0, 0.00, 1.0],                            
        "rows": [0.0, 1.0],
        "cells": [[0, 0, 1, 1], [1, 0, 2, 1]]
      } 
    },
    // layout: show left column full  / switch to single column layout
    { 
      "keys": ["alt+left"],     
      "command": "set_layout",
      "args":
      {
        "cols": [0.0, 1.0, 1.0],
        "rows": [0.0, 1.0],
        "cells": [[0, 0, 1, 1], [1, 0, 2, 1]]
      }
    },
    // layout: split layout - 2 columns - left - right  
    {
      "keys": ["alt+down"],
      "command": "set_layout",
      "args":
      {
        "cols": [0.0, 0.5, 1.0],
        "rows": [0.0, 1.0],
        "cells": [[0, 0, 1, 1], [1, 0, 2, 1]]
      }
    }
    // {
    //   "keys": ["alt+up"],
    //   "command": "set_layout",
    //   "args":
    //   {
    //     "cols": [0.0, 1.0, 1.0],
    //     "rows": [0.0, 1.0],
    //     "cells": [[0, 0, 1, 1], [1, 0, 2, 1]]
    //   }
    // } 
  ]