In documentation, added links to GitHub repository. Modified setup.py…

… to work with recent versions of pip (18.0), which now has the wheel module under pip._internal.

docs/source/index.rst

@@ -1,5 +1,7 @@
 .. title:: Contents
 
+`GitHub repository <https://github.com/heremaps/pptk>`__
+
 Contents
 ========
 

docs/source/install.rst

@@ -22,8 +22,10 @@ Or install from the .whl file that results from
 Building from source 
 ----------------------------------------
 
-We provide CMake scripts for automating most of the build process, but ask the
-user to manually prepare :ref:`dependencies <requirements>` and record their
+pptk source code is available on `GitHub <https://github.com/heremaps/pptk>`__
+
+Build is mostly automated via CMake scripts,
+but the user must manually prepare :ref:`dependencies <requirements>` and record their
 paths in the following CMake cache variables.
 
 * Numpy_INCLUDE_DIR
@@ -46,8 +48,9 @@ initial cache files, see the CMakeCache..txt files)
 Requirements
 ~~~~~~~~~~~~
 
-Listed are versions of libraries used to develop pptk, though earlier versions
-of these libraries may also work.
+Listed are versions of libraries used to develop pptk,
+though earlier versions of these libraries may also work.
+pptk requires 64-bit versions of these libraries.
 
 * `QT <https://www.qt.io/>`_ 5.4
 * `TBB <https://www.threadingbuildingblocks.org/>`_ 4.3
@@ -58,6 +61,10 @@ of these libraries may also work.
 Windows
 ~~~~~~~
 
+Check out source code
+
+    >>> git clone https://github.com/heremaps/pptk.git <source_folder>
+
 Create an empty build folder
 
     >>> mkdir <build_folder>

docs/source/tutorials/viewer/geolife.rst

@@ -26,8 +26,7 @@ Extract the zip file and observe the following directory structure.
     +-- 181/
 
 The top level :code:`Data/` folder contains 182 user folders, numbered :code:`000/` to :code:`181/`.
-Within each user folder, there is a :code:`Trajectory/` folder containing the user's GPS trajectories
-(saved as .plt files) 
+Each user folder has a :code:`Trajectory/` folder containing the user's GPS trajectories (saved as .plt files)
 and optionally a :code:`labels.txt` file specifying the mode of transportation employed for a given time interval.
 
 The .plt files look like this.
@@ -142,9 +141,8 @@ Copy the following code into a file named read_geolife.py.
            dfs.append(df)
        return pd.concat(dfs)
 
-Explanation of the above code
-(understanding of the following explanations is not necessary for proceding with the tutorial,
-so feel free to skip ahead if you are in a hurry):
+Understanding of the following explanation of :file:`read_geolife.py` is not necessary for proceding with the tutorial.
+Feel free to skip ahead if you are in a hurry.
 
 - *Lines 1-6* imports required Python packages (use :code:`pip install` for retrieving any missing packages).
 

setup.py

@@ -6,7 +6,7 @@
 import shutil
 import platform
 
-from pip import wheel
+from pip._internal import wheel
 
 wheel_tags = wheel.pep425tags.get_supported()[0]