Changes resource loading

Loads configuration and image files from resources folder
Removes duplicate resources

src/main/java/net/knarcraft/minecraftserverlauncher/profile/Profile.java

@@ -16,6 +16,7 @@ import java.io.*;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.ArrayList;
+import java.util.NoSuchElementException;
 import java.util.Objects;
 import java.util.Scanner;
 import java.util.concurrent.Executors;
@@ -193,7 +194,7 @@ public class Profile {
         if (name == null) { //If a user cancels or crosses out window
             return;
         }
-        if (name.equals("") && !name.contains("!") && !name.contains("?") && !name.contains(";")) {
+        if (name.equals("") && !name.matches("^[!?;]+$")) {
             JOptionPane.showMessageDialog(
                     null,
                     "Profile name can't be blank.",
@@ -228,11 +229,7 @@ public class Profile {
 
     public static void removeProfile(String name) {
         if (profiles.size() > 1) {
-            for (int i = 0; i < profiles.size(); i++) {
-                if (profiles.get(i).name.equals((name))) {
-                    profiles.remove(i);
-                }
-            }
+            profiles.removeIf(profile -> profile.name.equals(name));
         }
     }
 
@@ -376,7 +373,7 @@ public class Profile {
                     throw new FileNotFoundException("Unable to save to the profiles file.");
                 }
             }
-        } catch (IOException e) {
+        } catch (IOException | NullPointerException e) {
             if (gui != null) {
                 JOptionPane.showMessageDialog(
                         null,
@@ -434,18 +431,31 @@ public class Profile {
                         JOptionPane.ERROR_MESSAGE
                 );
                 System.exit(1);
+            } catch (IOException e) {
+                e.printStackTrace();
             }
             if (profiles.size() == 0) {
                 addProfile("Default");
             }
-        } catch (FileNotFoundException e) {
+        } catch (FileNotFoundException | NoSuchElementException e) {
             JOptionPane.showMessageDialog(
                     null,
                     "A profiles file was not found. Default profile was created.",
                     "Info",
                     JOptionPane.INFORMATION_MESSAGE
             );
-            gui = new GUI();
+            try {
+                gui = new GUI();
+            } catch (FileNotFoundException ex) {
+                JOptionPane.showMessageDialog(
+                        null,
+                        "Failed to load GUI messages. The GUI can't be shown.",
+                        "Info",
+                        JOptionPane.INFORMATION_MESSAGE
+                );
+            } catch (IOException ex) {
+                ex.printStackTrace();
+            }
             addProfile("Default");
         }
         gui.update();
@@ -549,7 +559,7 @@ public class Profile {
             String url = Objects.requireNonNull(type).getDownloadURL(), name = type.getName(), newestVersion;
             AdvancedServerType advType = type instanceof AdvancedServerType ? (AdvancedServerType) type : null;
             for (String version : type.getVersions()) {
-                Boolean success;
+                boolean success;
                 printToGui("Downloading: " + name + version + ".jar");
                 File file = new File(jarDir + type.getName() + version + ".jar");
                 Path filePath = Paths.get(jarDir + type.getName() + version + ".jar");