Update packages/submodules.

submodules:
- GoSublime added.
- sublime-lispindent added.

packages:
- BBCode added. Just a quick tmLanguage for bbcode on a site I visit.
- Heavily modified Lisp.tmLanguage added to User package.

commands:
- Added capture_snippet command --
  Captures the current selection as a snippet and stores it in the
  named sublime-snippet file. Bound by default to alt+shift+return.
  Can playback the snippet with alt+return. If the selection is empty,
  the snippet isn't written.

  Deindents the selection based on the first line's column and all
  other selected lines' columns (each region is deindented independent
  of the others).

key bindings:
- capture_snippet bound to alt+shift+return
- insert_snippet for captured snippet bound to alt+return.
- Various theme/color scheme keys updated. A couple color schemes are
  personal ones and not presently available anywhere. May be moved to
  the User package later, considering my version of Freesia is heavily
  modified from the baseline.
- Key bindings for super+enter in Go to expand the current word or
  selection to a function.