added some tests to make sure the required resources are available in
the project resource folder
added some files to test building and path placement
fixed workable-world ordering
modified testmap to conform with map specification
docstrings for import
docstrings for tiled validation
docstrings for json_validation
updated docstrings for util
Documented points.
ns docstring for points.
Indentation.
Slight clean-up.
refactored cell into world and cell
Merge branch 'dev' into behavior

Conflicts:
	src/jest/vehicle.clj
	src/jest/world/cell.clj
	src/jest/world/route.clj