Revise C++ coding style using clang-format

Run the `Utilities/Scripts/clang-format.bash` script to update
all our C++ code to a new style defined by `.clang-format`.
Use `clang-format` version 3.8.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

Source/QtDialog/AddCacheEntry.h

@@ -26,7 +26,7 @@ class AddCacheEntry : public QWidget, public Ui::AddCacheEntry
   Q_OBJECT
 public:
   AddCacheEntry(QWidget* p, const QStringList& varNames,
-                            const QStringList& varTypes);
+                const QStringList& varTypes);
 
   QString name() const;
   QVariant value() const;
@@ -35,7 +35,7 @@ public:
   QString typeString() const;
 
 private slots:
-  void onCompletionActivated(const QString &text);
+  void onCompletionActivated(const QString& text);
 
 private:
   const QStringList& VarNames;
@@ -43,4 +43,3 @@ private:
 };
 
 #endif
-