Prevent riemann-health from failing to report memory on OpenVZ virtual machines.
Prevent riemann-health from failing to report memory on OpenVZ virtual machines.

Prevent riemann-health from failing to report memory on OpenVZ virtual machines. 
Example values for memory: 
{"MemFree"=>3710276, "MemTotal"=>7340032, "SwapFree"=>0, "SwapTotal"=>0}
just ensure we're adding up numbers (.to_i)
benley/riemann-tools,haf/riemann-tools,dgtized/riemann-tools,pepoirot/riemann-tools,aphyr/riemann-tools,uswitch/riemann-tools,BrianHicks/riemann-tools,krakatoa/riemann-tools,dgtized/riemann-tools,dhruvbansal/riemann-tools,riemann/riemann-tools,peterneubauer/riemann-tools,Artesonraju/riemann-tools,tehgeekmeister/riemann-tools,hybris/riemann-tools,riemann/riemann-redis,shanielh/riemann-tools,BrianHicks/riemann-tools,nandudheeraj/riemann-tools,riemann/riemann-tools