graphite: normalize metric name before sending
Added test for scales.shared.Value()
test_scales -> test_scales_shared
Added tests for scales.python.{Resources,Threads,Objects}()
Refactoring: variables renaming
Added tests for scales.procfs.{Stat,SelfStat,LoadAverage}()
scales.procfs.{Stat,SelfStat}(): Fixed metrics types
test_scales_python: fixed covarage
procfs.Stat: fixed vsize
test_scales_shared: removed copypaste
test_scales_shared: Added multiprocessing tests
Added test_monotonically_raises for Stat() and SelfStat()
.travis.yml: increase coveralls client verbosity