Merge pull request #225 from MendelGusmao/master

Conf entry for hdd temperatures, fIxing broken help screen
refactored autoUnit
Merge pull request #229 from jrenner/master

refactored autoUnit, added no_float parameter (clean commit log)
platform/architecture is more specific now (at least on unix)
autoUnit: no_float replaced with low_precision
Merge pull request #231 from jrenner/master

two small improvements
Change the platform arch information to be more user friendly
Merge remote-tracking branch 'upstream/master'