Small chnge to the intersection method of a polygon
Merge pull request #7441 from akshayah3/geometry

Small change to the intersection method of a polygon
Unbundle mpmath: Kill mpmath source tree
Unbundle mpmath: Drop mpmath documentation
Unbundle mpmath: Correct list of modules and tests in setup.py
Unbundle mpmath: Fix imports
Unbundle mpmath: install python-mpmath
Unbundle mpmath: drop adapt_path.py script
Unbundle mpmath: drop workarrounds in bin/coverage_*
Unbundle mpmath: drop mpmath from blacklist of runtests.py
Unbundle mpmath: drop mpmath exclude from code quality tests
Unbundle mpmath: don't filter out mpmath directory in setup.py
Unbundle mpmath: document mpmath installation
Unbundle mpmath: drop checks against mpmath in diagnose_imports.py
Unbundle mpmath: Use setuptools & add versioned deps on mpmath
Add release.py to keep version info, drop top-level sympy imports in setup.py
Use find_packages from setuptools
Remove setupegg.py (we use setuptools by default)
Cleanup setup.py, change docstring to reflect using of setuptools