Re-add database name
Update Cassandra to use ExponentialDecayingSample in the snitching process, fix server.py to use a more sane compute model and move some variabels to conf
Correction to prevent overflow error in ExponentialDecaySample
Separate snitching into individual processes and minor tuning
Fix some comments and cleanup a bit
Change server processing model to be a round-robin scheduler at the level of app_nodes
Refactor load and severity models to make it selectable through conf
Add some more severity models and an r-script for plotting latencies
Configuration now supports multiple clusters.
Update server tests
Fix configuration