make fields static (that should have been static)

Author: jantje

io.sloeber.core/src/io/sloeber/core/api/BoardDescription.java

@@ -52,11 +52,11 @@ public class BoardDescription {
     private static final String ENV_KEY_PLATFORM_PATH = RUNTIME + DOT + PLATFORM + DOT + PATH;
 
     // stuff to store last used board
-    private final String KEY_SLOEBER_PROGRAMMER = "PROGRAMMER.NAME"; //$NON-NLS-1$
-    private final String KEY_SLOEBER_BOARD_TXT = "BOARD.TXT"; //$NON-NLS-1$
-    private final String KEY_SLOEBER_BOARD_ID = "BOARD.ID"; //$NON-NLS-1$
-    private final String KEY_SLOEBER_UPLOAD_PORT = "UPLOAD.PORT"; //$NON-NLS-1$
-    private final String KEY_SLOEBER_MENU_SELECTION = "BOARD.MENU"; //$NON-NLS-1$
+    private static final String KEY_SLOEBER_PROGRAMMER = "PROGRAMMER.NAME"; //$NON-NLS-1$
+    private static final String KEY_SLOEBER_BOARD_TXT = "BOARD.TXT"; //$NON-NLS-1$
+    private static final String KEY_SLOEBER_BOARD_ID = "BOARD.ID"; //$NON-NLS-1$
+    private static final String KEY_SLOEBER_UPLOAD_PORT = "UPLOAD.PORT"; //$NON-NLS-1$
+    private static final String KEY_SLOEBER_MENU_SELECTION = "BOARD.MENU"; //$NON-NLS-1$
     private static final IEclipsePreferences myStorageNode = InstanceScope.INSTANCE.getNode(NODE_ARDUINO);
 
     /*
@@ -626,8 +626,8 @@ public IPath getArduinoPlatformPath() {
             return null;
         }
         ArduinoPlatformVersion platformVersion = platform.getNewestInstalled();
-        if(platformVersion==null) {
-        	return null;
+        if (platformVersion == null) {
+            return null;
         }
         return platformVersion.getInstallPath();
     }

io.sloeber.core/src/io/sloeber/core/api/OtherDescription.java

@@ -10,7 +10,7 @@
 import io.sloeber.core.txt.TxtFile;
 
 public class OtherDescription {
-    private final String KEY_SLOEBER_IS_VERSION_CONTROLLED = "IS_VERSION_CONTROLLED"; //$NON-NLS-1$
+    private static final String KEY_SLOEBER_IS_VERSION_CONTROLLED = "IS_VERSION_CONTROLLED"; //$NON-NLS-1$
 
     private boolean myIsVersionControlled = false;