When python does not know the encoding of stdout, sys.stdout.encoding
is None.  Then calling decode(None) raises an exception.  We just
skip decoding when the encoding is unknown.

running_gradient object.

if you try to open a jpeg or png file.

dlib/all/source.cpp into their own .cpp files.  If so they will get a useful
error message.

visual studio.

sys.stdout.encoding instead of latin-1 in setup.py

Add pragma guards around deprecated auto_ptr to prevent GCC warnings

Fixes #67

Please use sys.stdout.encoding instead of latin-1 in setup.py.
This is necessary for non English OS.

Change relative path of configure files in CMakeLists.

Using CMAKE_PROJECT_DIR instead of CMAKE_SOURCE_DIR/../dlib
makes the build process more portable.

installed on windows via pip.