Cypress integration (#357)

* initial cypress setup and sample specs

* integrate with e2e run

* update ci settings

* config update

* update config

* remove cypress from e2e setup

* update protractor settings

* upgrade libs

* restore tsconfig

* re-enable cypress

cypress/integration/login.spec.js

@@ -0,0 +1,17 @@
+describe('Login', function() {
+
+    it('logs in as an admin', () => {
+        cy.visit('/login');
+        cy
+            .get('#username')
+            .type('admin')
+            .should('have.value', 'admin');
+        cy
+            .get('#password')
+            .type('admin')
+            .should('have.value', 'admin');
+
+        cy.get('#login-button').click();
+        cy.url().should('include', '#/personal-files');
+    });
+});