tasklib.py is in the dye module.
--projectdir option is supposed to take an argument.
Allow tasks.py --projectdir (long form) to take an argument too.
Don't overwrite env['project_dir'] set in project_settings.py.
Merge commit 'f9eba53713b2ecad38905a06b75f5d74a8909cbd'
Allow tasklib to be imported either from a module or locally
Merge commit '60a76953126fe09296e0f5ca065b1e99569926f4'