Add Login route express validations

config/passport.js

@@ -22,9 +22,9 @@ passport.deserializeUser(function(id, done) {
 
 passport.use(new LocalStrategy({ usernameField: 'email' }, function(email, password, done) {
   User.findOne({ email: email }, function(err, user) {
-    if (!user) return done(null, false, { message: 'No match found for user: ' + email });
+    if (!user) return done(null, false, { message: 'Email ' + email + ' not found'});
     user.comparePassword(password, function(err, isMatch) {
-      if(isMatch) {
+      if (isMatch) {
         return done(null, user);
       } else {
         return done(null, false, { message: 'Invalid email or password.' });