Minor tidying.

src/com/dmdirc/logger/DiskLoggingErrorManager.java

@@ -107,8 +107,8 @@ public class DiskLoggingErrorManager {
                         "Level: " + error.getError().getLevel(),
                         "Description: " + error.getError().getMessage(),
                         "Details: ");
-        error.getError().getThrowableAsString().ifPresent(s ->
-                Arrays.stream(s.split("\n")).filter(String::isEmpty).forEach(data::add));
+        error.getError().getThrowableAsString()
+                .ifPresent(s -> Arrays.stream(s.split("\n")).forEach(data::add));
         try {
             Files.write(errorFile, data, Charset.forName("UTF-8"));
         } catch (IOException ex) {

src/com/dmdirc/logger/ProgramError.java

@@ -76,7 +76,7 @@ public class ProgramError implements Serializable {
             @Nonnull final String message,
             @Nullable final Throwable exception,
             @Nonnull final Date date,
-            final DMDircMBassador eventBus,
+            @Nullable final DMDircMBassador eventBus,
             final boolean appError) {
         checkNotNull(level);
         checkNotNull(message);

src/com/dmdirc/logger/ProgramErrorAppender.java

@@ -35,7 +35,7 @@ public class ProgramErrorAppender extends AppenderBase<ILoggingEvent> {
     @Override
     public void start() {
         if (errorManager == null) {
-            addError("No eventBus set for the appender named ["+ name +"].");
+            addError("No error manager set for the appender named ["+ name +"].");
             return;
         }
         super.start();

src/com/dmdirc/logger/SentryLoggingErrorManager.java

@@ -124,7 +124,6 @@ public class SentryLoggingErrorManager {
      */
     private boolean isValidSource(final Optional<Throwable> throwable) {
         if (throwable.isPresent()) {
-
             final String line = getSourceLine(Arrays.asList(
                     Throwables.getStackTraceAsString(throwable.get()).split("\n")))
                     .orElse("").trim();