* [vcpkg_install_qmake] Add vcpkg_install_qmake and convert existing ports to use it.
[vcpkg_configure_qmake] Add 'staticlib' to CONFIG in static builds

* [vcpkg_configure_qmake] Don't specify DESTDIR

* [libqglviewer][vcpkg_configure_qmake] Add staticlib CONFIG only for libqglviewer

* [qt5-base] Increment version to track changes in vcpkg_configure_qmake()

* [libqglviewer] update to 2.7.2

* [libqglviewer] Remove patch double quotes

* update to 5.12.4
* removed port qt5-modularscripts and split it functionality into more functions into qt5-base
* added qt_port_hashes.cmake for simpler upgrade.
* added optional VCPKG_QT_HOST_MKSPEC and VCPKG_QT_TARGET_MKSPEC to select QTs build mkspecs from a triplet
* qt_<config>.conf are now copied from the build dir instead from the port dir
* fixed freetype dependencies.
* cleanup of vcpkg_qmake scripts. No strange/unclear replacements anymore.
* introduced vcpkg_buildpath_length_warning
* changed directory layout of the qt5 installation executables and mkspecs a bit.

* [many ports] Updates 2019.05.24

* Update SHA512 and resolve conflict for ebml and matroska

* [avro-c]Fix build error caused by jansson upgrades.

* [xxhash]Update to the next version to fix build error.(xxhash issue:#179)

* Fix failures and undo asio

* [libyaml, grpc, miniz, paho-mqtt, sqlitecpp] Update patches

* Update REF

* Undo nvtt flann itk libtins aws-sdk-cpp openvdb vlpp xmsh changes

* [flann, fastcdr] Fix old patches and build error.

* [flann, fastcdr] Fix build error.

* Fix ensmallen uvatlas cppcms libplist failures and undo aws-c-common libopusenc arb taglib changes

* [dcmtk, draco, flatbuffers, forge, ftgl, mosquitto,nmslib, ogre] Update old patches and fix build error.

* fix libusbmuxd failures and undo xxhash paho-mqtt mongo-c-driver flann libffi

* fix libimobiledevice and undo qhull harfbuzz lcm libbson draco flatbuffers

* undo libmupdf forge kd-soap qca

* [mosquitto] Fix installation of import libs

* [arb][asio][aws-c-common][collada-dom][concurrentqueue][cryptopp][ebml] Revert trivial/undesired changes

* [fastcdr] Minimize patch

* [many ports] Revert trivial changes

* [libyaml] Switch to non-dist tag

* [sqlite-modern-cpp] Track master due to infrequent release

* [nano-signal-slot] Revert downgrade

* [openvpn3] Bump control version to account for portfile change

* [sqlite-modern-cpp] Fixup wrong hash

* [mosquitto] Commit missing patch

* [qt5-macextras] Add qt5-macextras port

* [cutelyst2] Fix install on mac

* [qt5-purchasing] Add missing dependency on qt5-declarative

* [qt5] Ensure we link to required libraries for qt5 static build

* [qscintilla] Fix install on mac

* [libqglviewer] Fix install paths on mac

* [libqglviewer] Fix regressions

* [qscintilla] Fix regressions

* Bump version numbers

* [qt5] restore harfbuzz on osx

* add initial portfile

* [libqglviewer] Fix invalid msvc argument in build

* [qt5-base] make whitespace change to force rebuild in CI system