fix to run celeryd with the right python interpreter when in virtualenv
rename of the package and namespace refactoring
which command factorized into docs/Makefile
hybrid development environment support for documentation
update target version
update version to be consistent with the release plan
added documentation
Merge pull request #1033 from matley/gmf-rupture

Link between Rupture / Stochastic Event Set and Ground motion field outputs
Merge branch 'master' of https://github.com/gem/oq-engine into gmf-too-far