626bfce3b8
This commit implements the changes necessary to start up a graphite carbon Cache with twisted and start the corresponding graphiteWeb service. Dependencies need to be included via python buildEnv to include all recursive implicit dependencies. Additionally cairo is a requirement of graphiteWeb and pycairo is not a standard python package (buildPythonPackage) and therefore cannot be included via buildEnv. It also needs cairo in the Library PATH.
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