Clean all packages
Update Puppet modules
Bump f dependency

0.6 improves symlink handling for f-same?
Make use of new f.el functions
Fix texinfo markup
Mention the font used in the screenshot
Merge all texinfo files

AUCTeX' Texinfo modes and Emacs' Texinfo commands work best within a
single buffer.
Merge branch 'master' of https://github.com/lunaryorn/flycheck

* 'master' of https://github.com/lunaryorn/flycheck:
  Ert runner does no longer have run command.