Fix IPMI polling 2nd round :)


git-svn-id: http://observium.org/svn/observer/trunk@4053 61d68cd4-352d-0410-923a-c4978735b2b8
Revert default mono font to "DejaVuSansMono" (for rrd graphs).


git-svn-id: http://observium.org/svn/observer/trunk@4054 61d68cd4-352d-0410-923a-c4978735b2b8