Merge branch '76-fix-install-error' into 'master'

Resolve "Fix Install error"

Closes #76

See merge request grp-fidentis/analyst2!82

GUI/src/main/java/cz/fidentis/analyst/newgui/Installer.java → GUI/src/main/java/cz/fidentis/analyst/gui/Installer.java

-package cz.fidentis.analyst.newgui;
+package cz.fidentis.analyst.gui;
 
 import javax.swing.JOptionPane;
 import javax.swing.UIManager;