Moved python C++ utility headers into dlib/python and updated

#include statements to reflect this move.

--HG--
rename : tools/python/src/boost_python_utils.h => dlib/python/boost_python_utils.h
rename : tools/python/src/pyassert.h => dlib/python/pyassert.h
rename : tools/python/src/serialize_pickle.h => dlib/python/serialize_pickle.h

dlib/python.h

+// Copyright (C) 2013  Davis E. King (davis@dlib.net)
+// License: Boost Software License   See LICENSE.txt for the full license.
+#ifndef DLIB_PYTHoN_TOP_
+#define DLIB_PYTHoN_TOP_ 
+
+#include "python/boost_python_utils.h"
+#include "python/pyassert.h"
+#include "python/serialize_pickle.h"
+
+#endif // DLIB_PYTHoN_TOP_
+
+

tools/python/src/boost_python_utils.h → dlib/python/boost_python_utils.h

@@ -4,6 +4,8 @@
 #define DLIB_BOOST_PYTHON_UtILS_H__
 
 #include <boost/python.hpp>
+#include <vector>
+#include <string>
 
 inline bool hasattr(
     boost::python::object obj, 

tools/python/src/basic.cpp

 // Copyright (C) 2013  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#include <boost/python.hpp>
+#include <dlib/python.h>
 #include <dlib/matrix.h>
 #include <sstream>
 #include <string>
@@ -10,8 +10,6 @@
 #include <boost/shared_ptr.hpp>
 
 #include <dlib/string.h>
-#include "serialize_pickle.h"
-#include "pyassert.h"
 
 using namespace std;
 using namespace dlib;

tools/python/src/cca.cpp

 // Copyright (C) 2013  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
 
-#include <boost/python.hpp>
+#include <dlib/python.h>
 #include <boost/shared_ptr.hpp>
 #include <dlib/statistics.h>
-#include "pyassert.h"
 #include <boost/python/args.hpp>
 
 using namespace dlib;

tools/python/src/decision_functions.cpp

 // Copyright (C) 2013  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
 
+#include <dlib/python.h>
 #include "testing_results.h"
-#include <boost/python.hpp>
 #include <boost/shared_ptr.hpp>
-#include "serialize_pickle.h"
 #include <boost/python/args.hpp>
 #include <dlib/svm.h>
 

tools/python/src/matrix.cpp

 // Copyright (C) 2013  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
 
-#include <boost/python.hpp>
+#include <dlib/python.h>
 #include <boost/shared_ptr.hpp>
 #include <dlib/matrix.h>
 #include <dlib/string.h>
-#include "serialize_pickle.h"
 #include <boost/python/args.hpp>
-#include "pyassert.h"
 
 using namespace dlib;
 using namespace boost::python;

tools/python/src/other.cpp

 // Copyright (C) 2013  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
-#include <boost/python.hpp>
+
+#include <dlib/python.h>
 #include <boost/shared_ptr.hpp>
 #include <dlib/matrix.h>
 #include <dlib/data_io.h>
 #include <dlib/sparse_vector.h>
 #include <boost/python/args.hpp>
-#include "pyassert.h"
 #include <dlib/optimization.h>
-#include "boost_python_utils.h"
 
 using namespace dlib;
 using namespace std;

tools/python/src/sequence_segmenter.cpp

 // Copyright (C) 2013  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
 
-#include <boost/python.hpp>
+#include <dlib/python.h>
 #include <boost/shared_ptr.hpp>
 #include <dlib/matrix.h>
-#include "serialize_pickle.h"
 #include <dlib/svm_threaded.h>
-#include "pyassert.h"
 #include <boost/python/suite/indexing/vector_indexing_suite.hpp>
 #include <boost/python/args.hpp>
 

tools/python/src/svm_c_trainer.cpp

 // Copyright (C) 2013  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
 
+#include <dlib/python.h>
 #include "testing_results.h"
-#include <boost/python.hpp>
 #include <boost/shared_ptr.hpp>
 #include <dlib/matrix.h>
-#include "serialize_pickle.h"
 #include <dlib/svm_threaded.h>
-#include "pyassert.h"
 #include <boost/python/args.hpp>
 
 using namespace dlib;

tools/python/src/svm_rank_trainer.cpp

 // Copyright (C) 2013  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
 
-#include <boost/python.hpp>
+#include <dlib/python.h>
 #include <boost/shared_ptr.hpp>
 #include <dlib/matrix.h>
-#include "serialize_pickle.h"
 #include <dlib/svm.h>
-#include "pyassert.h"
 #include <boost/python/suite/indexing/vector_indexing_suite.hpp>
 #include "testing_results.h"
 #include <boost/python/args.hpp>

tools/python/src/svm_struct.cpp

 // Copyright (C) 2013  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
 
-#include <boost/python.hpp>
+#include <dlib/python.h>
 #include <dlib/matrix.h>
 #include <boost/python/args.hpp>
-#include "pyassert.h"
-#include "boost_python_utils.h"
 #include <dlib/svm.h>
 
 

tools/python/src/vector.cpp

 // Copyright (C) 2013  Davis E. King (davis@dlib.net)
 // License: Boost Software License   See LICENSE.txt for the full license.
 
-#include <boost/python.hpp>
+#include <dlib/python.h>
 #include <boost/shared_ptr.hpp>
 #include <dlib/matrix.h>
-#include "serialize_pickle.h"
 #include <boost/python/slice.hpp>