fix eye texture grabbing (#697)

* fix eye texture grabbing

* bump patch v0.12.4
* update drishti-upload (new acf) and fix `impl->acf->setDoAcfTransfer(bool)`
* grab texture and/or images into vector<ImageView> in EyeFilter::dump() … pass through to public API

* update drishti-upload (acf v0.1.16)

* update minimal config

remove FIXME block

bump version to v0.12.2 (#672)

Merge pull request #668 from elucideye/pr.update.drishti.upload

update drishti-upload

fix rpath format

* set CMAKE_INSTALL_RPATH w/ list syntax of string syntax
* add Context::updateGL() to allow use to call `glewInit()` from within windows DLL (requirement) for multi-context scenarios and bump minor sdk version
* add `add_library(drishti::drishti ALIAS drishti)` in install section for `add_subdirectory()` compatibility
* update driahti-face-test sample config file defaults

```
  set(CMAKE_INSTALL_RPATH "${DRISHTI_ORIGIN}/../lib" "${DRISHTI_ORIGIN}")
```

Update submodule

promote mirrored options from drishti-upload (CI project) to top level (

#632)

A set of options required by the drishti-upload CI cache project is mirrored internally in drishti in cases where drishti-upload is skipped, as is the case when using drishti as a package through hunter.  These were previously in the defualt Hunter LOCAL config cmake/Hunter/config.cmake, which means they would be skipped when hunter is used from a top level project that provides its’ own LOCAL cmake/Hunter/config.cmake file.  A few of these options are central to the build logic, so they are added to the top level CMakeLists.txt in cases where drishti-upload is no used.

Note: This logic (in particular the need for a drishti-upload project for CI builds) will be simplified when the cache uploads are managed directly by hunter (soon!).

* mirror drishti-upload options in top level cmake when drishti-upload isn’t used
* add option to support printing all cmake variables inside hunter for debugging (default off)

[skip ci] update cmake project version to v0.8.8

promote mirrored options from drishti-upload (CI project) to top level (

#632)

A set of options required by the drishti-upload CI cache project is mirrored internally in drishti in cases where drishti-upload is skipped, as is the case when using drishti as a package through hunter.  These were previously in the defualt Hunter LOCAL config cmake/Hunter/config.cmake, which means they would be skipped when hunter is used from a top level project that provides its’ own LOCAL cmake/Hunter/config.cmake file.  A few of these options are central to the build logic, so they are added to the top level CMakeLists.txt in cases where drishti-upload is no used.

Note: This logic (in particular the need for a drishti-upload project for CI builds) will be simplified when the cache uploads are managed directly by hunter (soon!).

* mirror drishti-upload options in top level cmake when drishti-upload isn’t used
* add option to support printing all cmake variables inside hunter for debugging (default off)

Merge pull request #628 from elucideye/pr.hunter

Update Hunter (new Sugar API)