code cleanup
 changed conventions used for the directories generated by the run_ scripts.
 Fix typos.
 Cleanup
 Fix minor errors in run_* scripts
 Add docs for GUIs
 Minor changes.
 Add events_parser.py
 Minor changes.
 Code cleanup + docs
 Cosmetic changes.
 Add new option: abirun.py DIRPATH open iojlq
 Tools for comparing bands
 Made abipy compatible with pymatgen 2.9.0
Fixed a bug that prevented abipy import on macosx

The directory "~/Applications" may not exists on Mac OsX.
Therefore, enclosed lookup in a try/except statement.
Merge pull request #21 from GkAntonius/patch-1

Fixed a bug that prevented abipy import on macosx
Update kpoints.py

The verification on the k-points weights sum would prevent a band structure GSR file from being read.
Merge pull request #22 from GkAntonius/patch-2

Update kpoints.py
Merge branch 'master' of https://github.com/gmatteo/abipy