[Haizea] Suspend Resume as Optional parameter

[Borja Sotomayor]

Hi,

> I guess it is better to relax necessity of suspend-rate and
> resume-rate parameters in case of suspension: none. Currently Haizea
> raises error if we don't set these two parameters.
> suspend-rate: 32
> resume-rate: 32

I agree. I've committed a fix:

https://phoenixforge.cs.uchicago.edu/projects/haizea/repository/revisions/848/diff/branches/1.1/src/haizea/core/configfile.py

This doesn't break the unit tests, but let me know if you encounter
any problems with this fix.

Cheers!
-- 
Borja Sotomayor
-Scientific Writer at UChicago's Computation Institute
http://people.cs.uchicago.edu/~borja/
-Community Manager for the OpenNebula project
http://www.opennebula.org/