GDASCRIPTS: add dependencies to PYTHONPATH (relative to ${gda_root})
GDASCRIPTS: Handle cases in TwoGaussianEdges where there is no swing or RCP plotting available
GDASCRIPTS: Fix regression in scan data processing system which broke it with SRS files

The breaking changes were to move toward better Nexus support and were not unexpected.
Revert "GDA-5807 the logic in determineScannableValuesAtFeature is wrong"

This reverts commit 6cf3152303d321bd8c51be6c2720b51938294443.

It sounds like this commit fixed something important that Tobias saw, but unfortunetely breaks other functionality. I am chasing up what the problem Tobais saw was. See ticket identified in commit message.
GDA-5807: Fix two regressions which caused processing Nexus files to fail
Merge branch 'master' of ssh://dascgitolite@dasc-git.diamond.ac.uk/gda/gda-core.git
MXGDA-1248 allow MotorPositionViewer to have a callback which is invoked in preference to commandFormat when demand changed
GDA-5906 Add atLevelEnd() to Scannable and implementations
Merge branch 'master' of ssh://dascgitolite@dasc-git.diamond.ac.uk/gda/gda-core.git