Standalone example program
Add load to myrial grammer
Add file scan operator to algebra
fakedb implementation of load
Add dump command and operator
Add Dump to fakedb
Add standalone option to myrial script
Add get_types method to scheme
Fix production rule for load
sample datasets
Fix type conversion in fakedb
Fix department schema
Fix typo in input data
style fix
Test of standalone myrial mode
Merge remote-tracking branch 'origin/master' into andrew_standalone

Conflicts:
	raco/fakedb.py
Merge pull request #242 from uwescience/andrew_standalone

Run myrial programs in standalone mode