Changes

Summary

1. Warning at main page (details)
2. Better images grid (details)

Commit 41ab5d578040bcc97dcffed3026d665ec8543e49 by Alex Muravya Warning at main page
	src/main/java/eu/yatech/hub2swarm/service/MainService.java (diff)
	src/main/java/eu/yatech/hub2swarm/ui/MainView.java (diff)
	src/main/java/eu/yatech/hub2swarm/ui/StackView.java (diff)
Commit da985155583519a974383f6e07ccc6f95280e460 by Alex Muravya Better images grid
	src/main/java/eu/yatech/hub2swarm/ui/ImageView.java (diff)
	src/main/java/eu/yatech/hub2swarm/service/ImageService.java (diff)