mic plugin: Code for power readings.
Add Documentaion for Power collection in the mic plugin
Do proper storage of power numbers, do conversion to base units.
Drop suffixes, now that we are putting them in correct types
mic plugin: Change the name of the power settings …

… to reflec the names documented in the manpage.
Merge branch 'ef/mic' of github.com:octo/collectd

Conflicts:
	src/collectd.conf.pod
	src/mic.c