Feature/python tutorials

This branch adds the Python version of Integration and Differentiation tutorials. The tutorial files include:

• a .tex file containing:
  • theoretical background,
  • instructions on how to install the Python wrapper,
  • instructions on how to complete the exercises,
• tutorial and completed versions of Python scripts,
• tests compatible with the modified test environment.

added 2 commits

• 6a38819d - removed C++11 standard line
• a01ef921 - corrected differentiation tests

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resolved all discussions

added 1 commit

• aa951501 - Updated tests

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added 2 commits

• ffc42ec5 - Corrections to issues raised by Jeremy - minor typos and errors
• d0c0b24a - Corrections to issues raised by Jeremy - minor typos and errors

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added 1 commit

• 21b92db5 - print statements now compatible with Python 3

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added 1 commit

• 8074d4ae - Python tests will now only build when Python components are built

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added 5 commits

• 8074d4ae...e2ed5542 - 3 commits from branch master
• 8082e931 - Merge branch 'master' into feature/python-tutorials
• fd55522f - Change to NEKTAR_BUILD_PYTHON

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merged

mentioned in commit 7c88d86e