composer-cli will now output information about changes to customizations
entries and the repos.git entries.
(cherry picked from commit 156ef0acfd)
Related: rhbz#1718473
Passing ?limit=0 to the blueprints/list, blueprints/changes,
projects/list, modules/list should always return the total possible
results, not 0.
Also move the composer-cli test_diff to the end so that it will work
consistently. Do this by naming it test_z_diff.