Remove custom patch to Sphinx doc generation to avoid private members

See merge request !151

[templates/doc/conf.py] Since sphinx 2.x, no need to avoid private functions anymore.  Everything is respected adequately

Fixes bob.math builds

for compatibility with tensorflow.
Fixes bob.ip.tensorflow_extractor#10

Updates python-gitlab to 2.1.2

See merge request !150

Update base version of miniconda

See merge request !149

Bump nightly requirements for Bob and BEAT

See merge request !147

Fix version check regular expressions in relase script

See merge request !146

One was not properly escaping the . and the other
one was neither escaping the . nor handling more
than one digit numbers.

Improve the release scripts

Closes #29 and #49

See merge request !145

Fixes pypi stage to skip deployment if current package is private

Closes #50

See merge request !144

[conda_build_config] Sync with removal of dependencies in beat-devel

See merge request !143

Items removed:
- flask
- flask-cors
- flask-restful
- nodejs

Fix bug - "ci" does not exist

See merge request !142

to make sure we do not change the caches inside conda!
related to #46

Allow user-override on channel list

See merge request !141