add format string for sensors that have hum. data

When using combined temp/humidity sensors the -o format string
is not used. To get the temperature from such sensors in the
proper format for munin to use, a second format string (-H) has
to be provided.
Merge pull request #120 from erpel/add_humidity_format_string

Add format string for sensors that have humidity data
Revert "Merge pull request #120 from erpel/add_humidity_format_string"

This reverts commit 8bba3c05a53371b7621cec1fa080fc74b846bf8e, reversing
changes made to ce075ce508d22849dde9cbe0c531ee7d65c0559c.
* Add common RRDCACHED code in new module Munin::Master
* Reform all needed RRDs client calls to use rrdcache the right way - elliminating inconsistent and non-functional usage
haproxy_ng: Fix some graphs which sometimes do not render.
add link to github wiki
README: add some light on what happens to contributions
README: adding a branch merging policy blurb

Note that this is specifically added to master directly, so it appears on the
main page.
master: Shuffle @hosts to avoid same poll order

This increase the change of having a slow host always "hiding" fast ones, but only polled after
master: shuffle @plugins to avoid same poll order

Same as e866853e42d87e66840a22f9dcba3d07d1e588ad, but for plugins
Merge pull request #142 from steveschnepp/update-shuffle

Shuffle hosts & Plugins to avoid same issues
Fix typo.

lastest -> latest
Merge pull request #155 from justinmuller/patch-1

Fix typo.
Revert "* Add common RRDCACHED code in new module Munin::Master"

This reverts commit 62612bc97037fa0e74e3087ad8738d73e50992c0.
Merge branch 'master' into devel

Conflicts:
	README