Improve example application

[afonsobspinto]

The example application should be cleaned up and taken to a 100% working state and clean code

Where does this react-redux application map with the other applications examples:

Application	Meant to
Geppetto Showcase	Showcase geppetto UI features to the clients
React-Redux Example	Showcase how to use flex-layout and widgets to developers
Backend Example	Showcase how to use geppetto backend to developers

How do we do this?

• Collect current issues on react-redux example
• List features we want to showcase
• Update this list after analyzing the result of the first two points

[afonsobspinto]

Waiting on #108 before starting

[afonsobspinto]

Collection of issues on react-redux example prior to #108 :

• 109

• 110

• 111

• 112

• 113

• 114