python3: Update to 3.6.1 (#2587)

* python3: Update to 3.6.1

The patches starting with 16 are new to fix the build.
Some no longer relevant patches were dropped, the rest is just refreshed.

* Bump pkgrel of all packages containing Python 3 bytecode/extensions.

The package list was generated using:
    pkgfile.exe -R mingw64 -r "cpython.*\\.(py[cod]|dll)"

* lensfun: Add cmake to makedepends

* numpy: Don't hardcode the Python version

* blender: rebuild for new Python

* boost: Don't hardcode Python versions; rebuild

* pillow: Don't hardcode Python version; rebuild

* python-dateutil: Don't hardcode Python versions

* sip: Don't hardcode Python versions

* pyqt4: Don't hardcode Python versions; rebuild

* pyqt5: Don't hardcode Python versions; rebuild

* opencv: Update Python3 version in patch

mingw-w64-python-patsy/PKGBUILD

@@ -4,7 +4,7 @@ _realname=patsy
 pkgbase=mingw-w64-python-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-python2-${_realname}" "${MINGW_PACKAGE_PREFIX}-python3-${_realname}")
 pkgver=0.4.1
-pkgrel=1
+pkgrel=2
 pkgdesc="A Python package for describing statistical models and for building design matrices (mingw-w64)"
 arch=('any')
 url="https://github.com/pydata/patsy"