Ensure the libcint version is consistent. (#152)
Ensure the libcint version is consistent. (#152)

* Make use of python-nose-exclude

* Update .travis.yml

Fix for new Travis scipy issue. See:
https://blog.travis-ci.com/2017-06-21-trusty-updates-2017-Q2-launch

* Ensure the libcint version is consistent.

Fixes the error:

****************************************************************
*** WARNING: libcint library not found.
* You can download libcint library from http://github.com/sunqm/libcint
* May need to set PYSCF_INC_DIR if libcint library was not installed in the
* system standard install path (/usr, /usr/local, etc). Eg
*   export PYSCF_INC_DIR=/path/to/libcint:/path/to/other/lib
****************************************************************
Traceback (most recent call last):
  File "setup.py", line 287, in <module>
    raise RuntimeError
RuntimeError

When running

python setup.py install

Note, the external libcint version is defined in pyscf/pyscf/lib/CMakeLists.txt:
....
  ExternalProject_Add(libcint
    GIT_REPOSITORY https://github.com/sunqm/libcint.git
    GIT_TAG v3.0.6
...

sunqm/pyscf,sunqm/pyscf,sunqm/pyscf,gkc1000/pyscf,gkc1000/pyscf,gkc1000/pyscf,gkc1000/pyscf,sunqm/pyscf,gkc1000/pyscf