* mu-script: use <muhome>/scripts for user-scripts, not <muhome>/scripts/stats
Merge pull request #171 from pygatea/master

* allow passing extra options to gnuplot in mu:plot-histogram
* mu4e.texi: describe the headers view, with :human-date and :list
* mu4e: mu4e~proc: make sure parameters are not treated as format strings
* merge branch 'master' of github.com:djcb/mu