Replaced requirements.txt by using "pip freeze > requirements.txt".

Changed gitlab-ci.yml to use pip install -r requirments.txt instead
(which installes EVERYTHING!)

.gitlab-ci.yml

@@ -26,8 +26,8 @@ test:
   script:
     # TODO: Different jobs with custom develop arguments? extra_requires (hyperspy, plotting)?
     # TODO: Use pip install -e .[hyperspy], etc.
-    # Install requirements (-e: editable, like python setup.py develop, but pip, not easy_install):
-    - pip install -e .['tests']  # Also installs everything for tests!
+    # Install requirements:
+    - pip install -r requirements.txt  # TODO: Use conda docker image if available!?
     - python setup.py test
     - coverage html
   artifacts:

environment.yml

 # Create environment with "conda env create", update with "conda env update"!
+# This file contains the top level dependencies of the pyramid project!
+# requirements.txt also contains sub-dependencies, generated by "pip freeze > requirements.txt"!
+# Add new dependencies here, then "conda env update", then "pip freeze > requirements.txt"!
+# When packages are deprecated/deleted, it may be best to recreate the environment from scratch!
 
 name: pyramid
 
 channels:
-  - defaults
-  - conda-forge  # Used for hyperspy, pyFFTW (linux-64/osx-64)
+  - defaults  # Default conda channels, on top to keep highest priority!
+  - conda-forge  # Used for hyperspy, pyFFTW (linux-64/osx-64)!
   - ccpi  # Used for pyFFTW on win-64!
 
 dependencies: