Create StoreSeqAction for argument lists
Replace concurrency and query arguments with single list argument
Cleanup list argument, allow sequences inside of other lists
Indent stats.json

see #1079
fix defaults
Print config options better
Update benchmark.cfg.example with new flag lists
Fix fortune test for dart-stream and dart-start
Drop support for skip key, it's deprecated by --include and --exclude
Minor Travis-CI patch
Complain when an attribute is not found
Cleanup parsing FrameworkTest from benchmark_config file
Turn Benchmarker.type into a list of test types

Also create a variable of the keys required for each test type
Update FrameworkTest.runTests
Ensure a minimum set of keys is present in the benchmark_config
DO NOT MERGE (Comment out until #557 is resolved)
Add initial FrameworkTestType classes
Map test type strings to FrameworkTestType objects
Remove deprecated contains_type method
Fix requires_db