Try to intelligently convert \n to <p> in song/artist info views

src/songinfo/echonestbiographies.cpp

@@ -87,7 +87,7 @@ void EchoNestBiographies::RequestFinished() {
       data.icon_ = site_icons_[canonical_site];
 
     SongInfoTextView* editor = new SongInfoTextView;
-    editor->setHtml(bio.text());
+    editor->SetHtml(bio.text());
     data.contents_ = editor;
 
     emit InfoReady(request->id_, data);

src/songinfo/lastfmtrackinfoprovider.cpp

@@ -122,7 +122,7 @@ void LastfmTrackInfoProvider::GetWiki(int id, const lastfm::XmlQuery& q) {
   SongInfoTextView* widget = new SongInfoTextView;
   data.contents_ = widget;
 
-  widget->setHtml(content);
+  widget->SetHtml(content);
 
   emit InfoReady(id, data);
 }

src/songinfo/songinfotextview.cpp

@@ -20,6 +20,7 @@
 #include <QMenu>
 #include <QSettings>
 #include <QWheelEvent>
+#include <QtDebug>
 
 const qreal SongInfoTextView::kDefaultFontSize = 8.5;
 const char* SongInfoTextView::kSettingsGroup = "SongInfo";
@@ -73,3 +74,16 @@ void SongInfoTextView::contextMenuEvent(QContextMenuEvent* e) {
 
   menu->popup(e->globalPos());
 }
+
+void SongInfoTextView::SetHtml(const QString& html) {
+  QString copy(html.trimmed());
+
+  // Simplify newlines, and convert them to <p>
+  copy.replace(QRegExp("[\\r\\n]+"), "\n");
+  copy.replace(QRegExp("([^>])[\\t ]*\\n"), "\\1<p>");
+
+  // Strip any newlines from the end
+  copy.replace(QRegExp("((<\\s*br\\s*/?\\s*>)|(<\\s*/?\\s*p\\s*/?\\s*>))+$"), "");
+
+  setHtml(copy);
+}

src/songinfo/songinfotextview.h

@@ -32,6 +32,7 @@ public:
 
 public slots:
   void ReloadSettings();
+  void SetHtml(const QString& html);
 
 signals:
   void ShowSettingsDialog();

src/songinfo/ultimatelyricsprovider.cpp

@@ -122,7 +122,7 @@ void UltimateLyricsProvider::LyricsFetched(quint64 id, QNetworkReply* reply) {
     data.relevance_ = relevance();
 
     SongInfoTextView* editor = new SongInfoTextView;
-    editor->setHtml(lyrics);
+    editor->SetHtml(lyrics);
     data.contents_ = editor;
 
     emit InfoReady(id, data);