Added checks to the TN (time now) attribute to ensure that it is always positive.  Negative values for TN don't make sense and cause gmetad problems (since it expects TN to always be positive).
Added checks to the TN (time now) attribute to ensure that it is always
positive.  Negative values for TN don't make sense and cause gmetad
problems (since it expects TN to always be positive).


mjzhou/monitor-core,hinesmr/monitor-core,mjzhou/monitor-core,NoodlesNZ/monitor-core,sdgdsffdsfff/monitor-core,mjzhou/monitor-core,NoodlesNZ/monitor-core,sdgdsffdsfff/monitor-core,torkelsson/monitor-core,phreakocious/monitor-core,ganglia/monitor-core,mjzhou/monitor-core,hinesmr/monitor-core,mjzhou/monitor-core,phreakocious/monitor-core,torkelsson/monitor-core,fastly/monitor-core,phreakocious/monitor-core,sdgdsffdsfff/monitor-core,torkelsson/monitor-core,phreakocious/monitor-core,ganglia/monitor-core,sdgdsffdsfff/monitor-core,mjzhou/monitor-core,dmourati/monitor-core,ganglia/monitor-core,ganglia/monitor-core,torkelsson/monitor-core,torkelsson/monitor-core,phreakocious/monitor-core,phreakocious/monitor-core,ganglia/monitor-core,lawrencewu/monitor-core,ganglia/monitor-core,hinesmr/monitor-core,NoodlesNZ/monitor-core,lawrencewu/monitor-core,fastly/monitor-core,fastly/monitor-core,hinesmr/monitor-core,torkelsson/monitor-core,dmourati/monitor-core,ganglia/monitor-core,lawrencewu/monitor-core,NoodlesNZ/monitor-core,NoodlesNZ/monitor-core,NoodlesNZ/monitor-core,lawrencewu/monitor-core,dmourati/monitor-core,mjzhou/monitor-core,fastly/monitor-core,fastly/monitor-core,lawrencewu/monitor-core,dmourati/monitor-core,fastly/monitor-core,NoodlesNZ/monitor-core,sdgdsffdsfff/monitor-core,ganglia/monitor-core,phreakocious/monitor-core,sdgdsffdsfff/monitor-core,dmourati/monitor-core,fastly/monitor-core,torkelsson/monitor-core,hinesmr/monitor-core,dmourati/monitor-core,lawrencewu/monitor-core,lawrencewu/monitor-core,sdgdsffdsfff/monitor-core