Roadmap v1.5.0.0

Hi guys!

This is the things we would like to have by Friday 24!
We have listened to some of your suggestions and we decided to work on them. We hope you like it.


# Roadmap v1.5.0.0
* Finalize the Tier 3 Buildings
* Introduce two more Tier 4 Buildings
* Add New Production Bonus as a New Mechanic
* End of the 50% offer for researcher
* Add new challenges
* Add cancel button to experiment laboratory