relax SVN archive

Fix for the find_unused_imports.py script.

The STDOUT lines need to be read before STDERR to avoid the script from freezing.

Removed the printout of pylint STDERR messages in the find_unused_imports.py developer script.

Removed a debugging printout.

Fix for the error catching in the find_unused_imports.py developer script.

The numerous pylint warnings are also sent to STDERR.

Added error catching to the find_unused_imports.py developer script.

Deletion of the frame_order_cleanup branch as it has been merged back into the trunk.

Removed merge tracking for "svnmerge" for
svn+ssh://bugman@.../svn/relax/branches/frame_order_cleanup

Fix for the merger of the frame_order_cleanup branch.

The base CaM frame system test script, as well as th CaM frame order test data optimisation scripts
scripts, had reverted to using the old forms of the minimise.grid_search and minimise.execute user
functions.

Fix for the merger of the frame_order_cleanup branch.

The assemble_scaling_matrix() function of the specific_analyses.frame_order.parameters module was
deleted in the branch, but somehow survived the merge process.

Fix for the merger of the frame_order_cleanup branch.

Removal of an unused import, to match the branch.