Center login panel
Merge branch 'master' of https://github.com/kuriozal/hurtownia.git

Conflicts:
	wholesaler/src/main/java/pl/jedraszczyk/wholesaler/gui/panels/LoginPanel.java
Some commit
Merge branch 'master' of https://github.com/kuriozal/hurtownia.git

Conflicts:
	wholesaler/src/main/java/pl/jedraszczyk/wholesaler/gui/panels/LoginPanel.java