Dirty Sublime text 2 panel arranging shortcuts. Only works for 2 panels.

sublime-split-keys.json

[
  {
    "keys": ["shift+alt+left"],
    "command": "set_layout",
    "args":
    {
      "cols": [0.0, 0.33, 1.0],
      "rows": [0.0, 1.0],
      "cells": [[0, 0, 1, 1], [1, 0, 2, 1]]
    }
  },
  {
    "keys": ["shift+alt+right"],
    "command": "set_layout",
    "args":
    {
      "cols": [0.0, 0.66, 1.0],
      "rows": [0.0, 1.0],
      "cells": [[0, 0, 1, 1], [1, 0, 2, 1]]
    }
  },
  {
    "keys": ["shift+alt+up"],
    "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": ["shift+alt+down"],
    "command": "set_layout",
    "args":
    {
      "cols": [0.0, 1.0],
      "rows": [0.0, 1.0],
      "cells": [[0, 0, 1, 1], [1, 0, 2, 1]]
    }
  },
  { "keys": ["ctrl+shift+pageup"], "command": "move_to_group", "args": { "group": 0 } },
  { "keys": ["ctrl+shift+pagedown"], "command": "move_to_group", "args": { "group": 1 } }
]