Use quote characters around includes of our headers.

This prevents `file not found with <angled> include; use "quotes" instead` errors.

Author: dbrnz

src/PythonQtObjectPtr.cpp

@@ -39,8 +39,8 @@
 */
 //----------------------------------------------------------------------------------
 
-#include <PythonQt.h>
 
+#include "PythonQt.h"
 QVariant PythonQtObjectPtr::evalScript(const QString& script, int start)
 {
   return PythonQt::self()->evalScript(_object, script, start);

src/PythonQtQFileImporter.h

@@ -43,7 +43,7 @@
 //----------------------------------------------------------------------------------
 
 #include "PythonQtPythonInclude.h"
-#include <PythonQtImportFileInterface.h>
+#include "PythonQtImportFileInterface.h"
 
 //! default importer implementation using QFile to load python code
 class PythonQtQFileImporter : public PythonQtImportFileInterface {

src/PythonQtThreadSupport.h

@@ -40,8 +40,8 @@
 //----------------------------------------------------------------------------------
 
 
-#include <PythonQtPythonInclude.h>
-#include <PythonQtSystem.h>
+#include "PythonQtPythonInclude.h"
+#include "PythonQtSystem.h"
 
 #define PYTHONQT_FULL_THREAD_SUPPORT