Merge pull request #184 from KrullKorg/master

libgweather: new package.
clang/llvm: Improve Mingw driver. Build without assertions.
libgweather: Fix installation directories.
qt-creator: Add a new patch for debugger Abi detection

Upstreaming at: https://codereview.qt-project.org/#/c/94248/
qbs: Switch back to using released tarball
qbs: Remove patch created files before repatching
qt5-static: More hacks for dbus-1 / pkgconf problem

I need a bath after this, clearly fixing pkgconf needs to happen
instead.
clang: More fixes to Mingw driver.
libuv: Update to 0.11.29
Merge pull request #187 from mashir43/master

libuv: Update to 0.11.29
clang: More improvements for Mingw driver based on GCC spec. Build documentation.