* add package for conduit
* try to fix main conduit docstring
* use join_path instead of pjoin
* address a few requests in pr #2670
change name of 'github-master' to 'master'
change 'docs' variant to 'doc', set default to False
remove explicit +shared variant spec for silo and hdf5 deps
(in the conduit +shared case) cases since they default to True
add reference to static rpath issue
(https://github.com/LLNL/spack/issues/2658)
* address pr #2670 requests
add todos and more info on why variants for deps where selected
use python module install python to enable spack activate
use .format instead of %s
eaa24b08fd