also collect cpu percentage
rename the module from processmemory to processresources
rename class from Memory to Resources
simple cpu usage test

Conflicts:
	src/collectors/processresources/test/testprocessresources.py
collect process data at iteration time to minimize race condition
Update diskusage to calculate like iostat
Keep python 2.4 compatibility
Merge pull request #270 from disqus/iostat-parity

Update diskusage to calculate like iostat
Fix up unit tests for disk usage collector to be correct now
PEP8
Fixes #271, this fixes the import namespace collision issue after moving to the official librato library
fixed scoping issues in LibratoHandler
Merge pull request #272 from briceburg/master

fix scoping in LibratoHandler
LibratoHandler: normalized variable naming and added maximum interval to
queue measurements until submitting.
LibratoHandler: allow regex filtering of submitted measurements
Merge pull request #273 from briceburg/master

LibratoHandler: allow regex filtering of submitted measurements
Simple only CPU option 'simple=True' which allows for only aggregate cpu percentile usage logging instead of mucho verbosity
allow local revision identifiers, if not present ignored
silence deprecation warning for pysnmp.  this is screwing up the build the package
Add in basic HttpPostHandler docs