cubicweb-vcsfile #1251906 work around memory leak in mercurial [resolved]

mercurial up to 1.6.3 has a memory leak in mercurial.url.httphandler caused by a cycle and a __del__ method. Submitted patch removing the __del__ method to mercurial. Monkey patch in the cube required for now.

prioritynormal
typebug
done in1.6.2
load0.500
load left0.000
closed by<not specified>