Explicitly require cl-lib 0.2, to cope with missing cl-flet in Emacs 24.2

See #117
Specify min version of cl-lib as list, not string
Add wgrep-ag
Merge branch 'purcell'

* purcell:
  Add wgrep-ag
  Specify min version of cl-lib as list, not string
  Explicitly require cl-lib 0.2, to cope with missing cl-flet in Emacs 24.2
Don't use cl-lib in init-locales (see #117)
Remove dangling reference to desktop-save-mode
Merge branch 'purcell'

* purcell:
  Remove dangling reference to desktop-save-mode
  Don't use cl-lib in init-locales (see #117)