code cleanup in progress monitor

- remove unused methods and fields
- fix message typos

src/main/java/com/salesforce/dataloader/action/progress/NihilistProgressAdapter.java

@@ -49,7 +49,6 @@ public class NihilistProgressAdapter implements ILoaderProgress {
     private int numRowsWithError = 0;
     private int numberBatchesTotal = 0;
     private final Logger logger = LogManager.getLogger(getClass());
-    private String taskName;
     private int workDone;
     private int totalWork;
     private final List<String> subTasksInOrder = new ArrayList<String>();
@@ -60,7 +59,6 @@ public NihilistProgressAdapter() {
     }
 
     public void beginTask(String name, int totalWork) {
-        this.taskName = name;
         this.totalWork = totalWork;
     }
 
@@ -80,18 +78,10 @@ public void worked(int worked) {
         this.workDone += worked;
     }
 
-    public void setTaskName(String name) {
-        this.taskName = name;
-    }
-
     public void setSubTask(String name) {
         this.subTasksInOrder.add(name);
         logger.info(name);
     }
-
-    public String getTaskName() {
-        return this.taskName;
-    }
 
     public int getTotalWork() {
         return this.totalWork;

src/main/java/com/salesforce/dataloader/action/progress/SWTProgressAdapter.java

@@ -110,16 +110,6 @@ public void worked(int worked) {
         monitor.worked(worked);
     }
 
-    /*
-     * (non-Javadoc)
-     *
-     * @see com.sfdc.action.progress.ILoaderProgress#setTaskName(java.lang.String)
-     */
-    public void setTaskName(String name) {
-        super.setTaskName(name);
-        monitor.setTaskName(name);
-    }
-
     /*
      * (non-Javadoc)
      *

src/main/resources/messages.properties

@@ -23,15 +23,15 @@ Process.aboutPerform=About to perform: {0}
 Process.missingRequiredArg=Missing required argument: {0}
 Action.loading=Loading: {0}
 Action.logCanceled=Load was canceled.
-Action.exception=Exception occured during loading
+Action.exception=Exception occurred during loading
 Action.logSuccess=Load completed successfully.
 Action.success=The operation has fully completed.  There were {0} successful {1}s and {2} errors.
 AbstractExtractAction.success=The operation has fully completed.  There were {0} successful extractions and {2} errors.
 Action.cancel=The operation was cancelled.  There were {0} successful {1}s and {2} errors.
 Action.error=Load finished with an error. Please check the log.
-Action.errorDaoStartRow=Can't read from dao when calulating start row
+Action.errorDaoStartRow=Can't read from DAO when calculating start row
 Action.errorLastRun=Can't save last run info
-RowToStartUtil.errorDaoStartRow=Can't read from dao when calculating start row
+RowToStartUtil.errorDaoStartRow=Can't read from DAO when calculating start row
 RowToStartUtil.errorLastRun=Can't save last run info
 Action.errorOpeningErrorFile=Error opening error status file: {0}
 Action.errorOpeningSuccessFile=Error opening success status file: {0}