Refactor code to support multiple file uploads and add mapping for product-type-generator
Adjust log levels
Return zipped files for product-type-generator
Better upload help text layout
Use pre-line format in alerts
Adjust specs for upload endpoint
Add spec for new command page
Merge branch 'master' into product-type-generator

Conflicts:
	package.json
Merge pull request #13 from sphereio/product-type-generator

ProductType generator command