[Fix #433] Disable problematic binding M-[
Simplify sexp wrapping code
Add wrapping commands to ielm-map
Improve tab's behavior

It now does both indentation and completion (when supported)
Add browse-kill-ring package
Adds comments to sample modules.
Updates key chord bindings.
Merge pull request #457 from climatewarrior/updateKeyChords

Updates key chord bindings.
Merge pull request #456 from climatewarrior/add-module-docs

Adds comments to sample modules.
Enable browse-kill-ring's default keybindings
Improve prelude-eval-and-replace
Don't use C-x SPC as it's used in Emacs 24.4 by default for rectangular selection
Merge branch 'master' of https://github.com/bbatsov/prelude
Merge branch 'master' of github.com:jvillste/prelude
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