Removed build and IDE files from git. Fixed issue with add param icon

Author: AndreySurzhan

.gitignore

@@ -3,3 +3,4 @@
 build/
 target/
 /soapui-action-add-request-parameters.iml
+/src/main/main.iml

.idea/vcs.xml

@@ -248,7 +248,7 @@ private JPanel buildRequestParamInputsPanelGUI(RequestParamGUI requestParamGUI)
     private JButton buildAddRequestParamInputsButtonGUI() {
         JButton addRequestParamButton = new JButton();
         try {
-            Image img = ImageIO.read(getClass().getResource("../../../images/addIcon.png"));
+            Image img = ImageIO.read(getClass().getClassLoader().getResource("images/addIcon.png"));
             img = img.getScaledInstance(20, 20, Image.SCALE_DEFAULT);
             addRequestParamButton.setIcon(new ImageIcon(img));
         } catch (Exception ex) {