fix various grunt warnings
add editorconfig
rm .DS_Store files
ignore .DS_Store files
enable travis
add .gitattributes
turn off grunt force
add test infrastructure
Merge branch 'master' of https://github.com/warring-hail/greenfield into feature/test-infrastructure

Conflicts:
	client/app/signup/signup.js
	server/users/userController.js
	server/users/userRoutes.js
Merge pull request #52 from dduugg/feature/test-infrastructure

add test infrastructure