added restangular as dependency; added barebones model for Proposal (and a builder with fake data)
adhering to module-by-feature pattern

got this from https://www.airpair.com/angularjs/posts/top-10-mistakes-angularjs-developers-make
following naming conventions suggested by ng-hint
sketching together an approach using a splash page
added login screen and splash screen - still barebones versions of it anyways