Merge remote-tracking branch 'upstream/master'
adding sla dict and changed GC to GCPause in example configs
updating check_sla method to use sla_map instead of sla_list
Merge branch 'master' of github.com:RiteshMaheshwari/naarad
Merge pull request #113 from RiteshMaheshwari/master

adding sla dict and changed GC to GCPause in example configs