Don't swap Command & Option by default
[Fix #378] Add folders recursively to the load-path in prelude-add-subfolders-to-load-path
[Fix #377] Require smartparens-latex in latex module
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  [Fix #377] Require smartparens-latex in latex module
  [Fix #378] Add folders recursively to the load-path in prelude-add-subfolders-to-load-path
  Don't swap Command & Option by default