Move tests to a "test" directory

Gruntfile.js

geomagio/iaga2002/MagWebFactory.py

gruntconfig/config.js

gruntconfig/flake8.js

gruntconfig/nose.js

gruntconfig/watch.js

test/Algorithm_test.py

test/ChannelConverter_test.py

test/Controller_test.py

test/ObservatoryMetadata_test.py

test/StreamConverter_test.py

test/TimeseriesUtility_test.py

test/XYZAlgorithm_test.py

test/edge_test/EdgeFactory_test.py

test/iaga2002_test/IAGA2002Factory_test.py

test/iaga2002_test/IAGA2002Parser_test.py

test/iaga2002_test/MagWebFactory_test.py

test/imfv283_test/IMFV283Parser_test.py

test/pcdcp_test/PCDCPFactory_test.py

test/pcdcp_test/PCDCPParser_test.py