less: cleanup nav-pills menu style used in settings - remove obsolete padding for li - remove style for 'li > a' that is aready set by bootstrap via .nav-pills - use usual color: inherit only for non active elements - override nav-pills-active-link-hover-color and nav-pills-active-link-hover-bg instead custom style

# requirements.txt file for use as "pip install -r requirements.txt" as a
# readthedocs compatible alternative to "pip install -e ." which is a working
# alternative to "setup.py develop" which doesn't work with Mercurial 3.7
.