docs: add PYTHONPATH setting for inplace builds into FAQ
docs: add PYTHONPATH setting for inplace builds into FAQ

BubuLK/sfepy,vlukes/sfepy,BubuLK/sfepy,rc/sfepy,rc/sfepy,sfepy/sfepy,sfepy/sfepy,rc/sfepy,vlukes/sfepy,vlukes/sfepy,sfepy/sfepy,BubuLK/sfepy