* qt5-git: changed branch to "5.9".
Very major changes to prepare and pkgver fuctions.
Added prepare_build_folder and other helper functions.
Copied code from qt5 and qt5-static packages.
Renamed patch filenames to match qt5.8 or "-qt-5.6-" names.
And, many formatting changes.
* qt5-git: Added patch files.
Added new patch files:
0001-qt-5.9.1-fix-sql-libraries-mingw.patch
0002-qt-5.8.1-configure-gcc-before-clang.patch
0007-qt-5.9.0-win32-g-Enable-static-builds.patch
0024-qt-5.9.2-icu-add-U_LIB_SUFFIX_C_NAME.patch
0051-qt-5.9.0-disable-qtlocation-mapboxgl-plugin.patch
0051-qt-5.9.1-disable-qtlocation-mapboxgl-plugin.patch
And, from qt5 package added
0001-qt-5.8.0-fix-sql-libraries-mingw.patch
0002-qt-5.8.0-configure-gcc-before-clang.patch
0003-qt-5.8.0-autodetect-fontconfig.patch
0011-qt-5.8.0-mingw-dbus-and-pkg-config.patch
0016-qt-5.8.0-win32-g++-use-qpa-genericunixfontdatabase.patch
0020-qt-5.3.0-use-external-angle-library.patch
0023-qt-5.3.0-env-set-external-angle.patch
0025-qt-5.8.0-force-using-make-on-msys.patch
0028-qt-5.8.0-Revert-untangle-use-of-system-vs.-shell-path-list-se.patch
0029-qt-5.8.0-Revert-fix-quoting-and-path-separators-in-qtPrepareT.patch
0046-qt-5.4.1-Revert-Revert-fix-NTFS-mount-points.patch
0049-qt-5.8.0-win32-do-not-use-fontconfig.patch
0049-qt-5.9.0-win32-do-not-use-fontconfig.patch
0125-qt-5.8.0-windeployqt-fixes.patch
0125-qt-5.9.0-windeployqt-fixes.patch
0300-qt-5.8.0-cast-errors.patch
* qt5-git: Rename patch files files.
Renamed qt5-git 5.7 patch files to match the ones in the qt5 5.8 package;
Or, renamed patch files with "-qt-5.6-" after seq. number.
* qt5-git: Changed to pcre2 from pcre depends.
