Add QTemporaryDir to the bootstrap library

clang-qdoc must be compilable using the bootstrap library,
but clang-qdoc uses QTemporaryDir, which is not there. This
change adds it.

This also required changing some camelcase includes to their
lower case equivalents.

Change-Id: I8d03864f56e4bf474c3fdcde5e744ed31fea7fc3
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@qt.io>

src/corelib/io/qtemporarydir.cpp

@@ -42,12 +42,12 @@
 
 #ifndef QT_NO_TEMPORARYFILE
 
+#include "qdebug.h"
 #include "qdiriterator.h"
+#include "qpair.h"
 #include "qplatformdefs.h"
+#include "qrandom.h"
 #include "private/qtemporaryfile_p.h"
-#include <QDebug>
-#include <QPair>
-#include <QRandomGenerator>
 
 #if defined(QT_BUILD_CORE_LIB)
 #include "qcoreapplication.h"

src/corelib/io/qtemporarydir.h

@@ -41,7 +41,7 @@
 #define QTEMPORARYDIR_H
 
 #include <QtCore/qdir.h>
-#include <QtCore/QScopedPointer>
+#include <QtCore/qscopedpointer.h>
 
 QT_BEGIN_NAMESPACE
 

src/tools/bootstrap/bootstrap.pro

@@ -45,6 +45,7 @@ SOURCES += \
            ../../corelib/io/qiodevice.cpp \
            ../../corelib/io/qfiledevice.cpp \
            ../../corelib/io/qresource.cpp \
+           ../../corelib/io/qtemporarydir.cpp \
            ../../corelib/io/qtemporaryfile.cpp \
            ../../corelib/io/qtextstream.cpp \
            ../../corelib/io/qsavefile.cpp \