* bugfix for [ftgl] build failure #9520. Applied same solution as cbezault did for #7697

* bugfix for [ftgl] build failure #9520. Added suggested changes from the review and clean-up EOL characters.

* [ftgl] remove ftgl:x64-linux=fail from ci.baseline.txt

* [ftgl] build failure #9520 - disable doxygen on Linux

* [ftgl] build failure #9520 - force the compiler to use the C++11 standard

* [ftgl] build failure #9520 - remove ftgl:x64-osx=fail

* [ftgl] build failure #9520 - add missing C++11 standard patch

* [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