Subtract and negative numbers format

Now it is possible subtract and show the values nice.
Save and load record list on localStorage
Reset currency and record list.

Now it reset all data.
Negative wallet not allowed

Before it was allowed, not it isn’t allowed.
Prettify
Navbar responsive

Nabber responsive with collapse effect
Repaired issue

When you opened the menu in tablet/mobile view and returned to desktop
view, the menu style was broken.
I have resolved with a “resize” javascript event. When it is called, it
will close the menu and will remove the event.
Prettify currency section

Prettify currency section and active currency when you want to change
your currency.
If you reset the wallet, you will have to choose currency again and
there isn’t selected currency.
Merge branch 'neolpar'
Finished the exercise.
The next upgrade will be use load AMD files using angular-loader for example. Or use require.js to make a lazy load of the files.