Remove RELEASE-VERSION from docs/install/VM (Fix #9637)

The "RELEASE" target type has been untested for sometime.
Instead the "QA" type has always been built and then renamed
on release. For the moment, we'll simplify the configuration
and only use "QA" builds.
Modify error handling during login (see #10011)
Allow to pass matrix size to toMatrix() to handle tiles and hypercubes

- Add optional argument for matrix size. Test input size is smaller than the
pixels dimensions.
- Clean existing unit tests and add additional tests for tile & hypercubes.
Document changes to toMatrix() in function header
Add getRawPixelsStore() utility function to be retrieve planes, tiles & stacks
Add utility function to retrieve plane from image
Add utility function to retrieve stack from image
Add utility function to retrieve tile from image
Close raw pixels store after binary data retrieval
Remove entry when viewer/mt are discarded (see #10527)
Remove entry when importer/editor are discarded (see #10527)
Re-add CURL variable lost during transfer from python_deps.sh
Removing any remaining bin/pip under $BREW_DIR to test virtualenv
Fix header typos
Add additional input tests for tile coordinates in getTile()
Also add additional input check for (z, c, t) coordinates
Add failing test for toMatrix() when retrieving a scalar value
Add support for scalar values in toMatrix()
Use system Python to run virtualenv installation in /usr/local
Remove commented out code.