fixed ApplyDiffOp to avoid errors with missing nodes
Properly handle unqualified ref names in local push
Test for qualified names in push
Made geogit CLI exit with non-zero exit code when a wrong command is entered
Merge pull request #692 from volaya/non_zero

Made geogit CLI exit with non-zero exit code when a wrong command is entered
Merge pull request #688 from volaya/osm_ways

fixed ApplyDiffOp to avoid errors with missing nodes