Fix #313 - invoke prelude-remove-elc-on-save only for Emacs Lisp buffers
Bind 'uu' to undo-tree-visualize
Add key-chords to Readme
Merge pull request #314 from Abizern/keychords

Keychords
Enable erase-buffer
Make prelude-rename-file-and-buffer vc aware
Merge branch 'master' of github.com:bbatsov/prelude

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Add a few more ace-jump keychords
Improve prelude-open-with

Now it uses `xdg-open` where it makes sense. It also accepts a prefix
argument that forces manual selection of a command to run.
Merge remote-tracking branch 'upstream/master'