project: improve scripts

* Adds utilities for displaying messages in bash scripts.
* Removes `pipenv run` calls in scripts.
* Adds titles and sections in scripts.
* Adds shortcuts to scripts in Pipfile.
* Removes useless `update` script.
* Removes `local` option in setup script.
* Adds `python-dotenv` library.

Co-Authored-by: Sébastien Délèze <sebastien.deleze@rero.ch>

MANIFEST.in

@@ -52,6 +52,7 @@ include scripts/server
 include scripts/setup
 include scripts/update
 include scripts/install-ui
+include scripts/functions
 include tests/ui/shibboleth_authenticator/data/valid_saml_response
 
 prune docs/_build

Pipfile

@@ -36,6 +36,7 @@ safety = ">=1.8"
 # Version 0.6 causes a segmentation fault when loading an image..
 wand = ">=0.5.0,<0.6.0"
 transifex-client = "*"
+python-dotenv = "*"
 
 [dev-packages]
 Flask-Debugtoolbar = ">=0.10.1"
@@ -61,3 +62,8 @@ python_version = "3.6"
 [scripts]
 test = "python setup.py test"
 build_sphinx = "python setup.py build_sphinx"
+bootstrap = "./scripts/bootstrap"
+console = "./scripts/console"
+install-ui = "./scripts/install-ui"
+server = "./scripts/server"
+setup = "./scripts/setup"