(#18 #19) Created Integration Tests

- Created database scripts to seed database with sample values and users
- Added Tests for adding, deleting, getting, updating
- Added Tests for when not authenticated
Adding missing unit tests for updating chemical
(#18 #19) Refactored folder structure

- By puts all the Tests into their own folder, as described here:
	https://gist.github.com/davidfowl/ed7564297c61fe9ab814
- Makes it easier to specify rules for inclusions/exclusions for things like dupfinder and inspectcode
Merge pull request #24 from gep13/IntegrationTests

Created Integration Tests