move around some things related to os data polling


git-svn-id: http://observium.org/svn/observer/trunk@4365 61d68cd4-352d-0410-923a-c4978735b2b8
db updates


git-svn-id: http://observium.org/svn/observer/trunk@4366 61d68cd4-352d-0410-923a-c4978735b2b8
bring back support for ipoman EMD-T temperature sensor

git-svn-id: http://observium.org/svn/observer/trunk@4367 61d68cd4-352d-0410-923a-c4978735b2b8