removing libs

returning application/octet-stream

changed allowable headers properties

Updating to UrlResource on response file creation

respond with file impl.

removing garbage resource class and using Spreadbase.asDataSource(File)

completed datasource build

updating package structure, logging, and junk dependencies

pom exclusions and more logic

handling inputstream on post

reverting back to appassembler and strict REST api; separate form and function

checking over to spreadful controller

bootstrap for style

adding missing thymeleaf lib and starting simple styling

starting to create endpoint for spreadbase w/ thymeleaf