[spatial_rels] pancake table setting test
[spatial_rels] added functionality for restricting robot's navigation area + refactored.
[spatial_relations_demo] added a launch file
minor
[spatial_rels] minor fixes
[spatial_rels_demo] working on the demo...
Merge branch 'master' of https://github.com/cram-code/cram_demo
[spatial_rels] efficiency matters + testing things.
Merge branch 'master' of https://github.com/cram-code/cram_demo