Some improvements:
 - Batteries check for megacli plugin (based on @gbjtv's patch: glensc/nagios-plugin-check_raid#33),
 - Support of performance data and long text output,
 - New options -O / --noraidok to return OK instead of UNKNOWN if not RAID controller is found (based on @gbjtv's patch: glensc/nagios-plugin-check_raid#33).
megacli: Fixed handling of multiple Virtual Drive without name
megacli: code style, fixes to make tests pass
megacli: add partial test data from #41
- README.md
    * added dmraid to supported RAIDs
    * closes #35
- check_raid.pl
    * added dmraid to supported RAIDs
    * closes #35
megacli: added test data for pdlist
megacli: Fixed handling of multiple Virtual Drive without name

Merged branch 'PR41'
megacli: test rewritten to use data arrays as input
megacli: add expected test when ldinfo is not read out due sudo rules error
megacli: adjust for megacli i have
megacli: test data from my megacli with batteries
megacli: Batteries check (megacli), perfdata, longoutput, and --noraidok option (#39, #33)

Merge branch 'megacli-batteries'

Conflicts:
	check_raid.pl
megacli: do not show batteries if 0 found
megacli: add test for batteries
megacli: update sudo rules test
add test for dmraid
test data for issue #34
megacli: check that commands actually ran
mention 3.0.3 release