Update protractor travis conf

Use modern versions of Chrome and Firefox. Less browsers to test
overall - should make the travis builds faster.
Also test recent FF in Windows 7
Add angular-local-storage through bower
Add LocalStorageModule and configure it
Add morphLocalStorage service
Add angular-local-storage to Gruntfile
Use morphLocalStorage in morph service
Add new forms to localStorage if morphFormCreate
Be more careful when adding forms to localStorage

They cannot have a selected property of true in any case, otherwise we
might end up having two selected forms inside the morph plugin.
Add angular-local-storage to karma config