Added header file to project and fixed doc.

Libs/PluginFramework/CMakeLists.txt

@@ -17,6 +17,7 @@ SET(KIT_SRCS
   ctkPlugin.cpp
   ctkPluginAbstractTracked_p.h
   ctkPluginAbstractTracked.tpp
+  ctkPluginActivator.h
   ctkPluginArchive.cpp
   ctkPluginArchive_p.h
   ctkPluginConstants.cpp

Libs/PluginFramework/ctkPluginActivator.h

@@ -41,14 +41,14 @@
  *
  * <p>
  * \code
- * class MyPlugin : public QObject, public %ctkPluginActivator
+ * class MyPlugin : public QObject, public ctkPluginActivator
  * {
  *   Q_OBJECT
  *   Q_INTERFACES(ctkPluginActivator)
  *
  * public:
- *   void %start(%ctkPluginContext* context);
- *   void %stop(%ctkPluginContext* context);
+ *   void start(ctkPluginContext* context);
+ *   void stop(ctkPluginContext* context);
  * };
  * \endcode
  * And in your implementation file: