Add CMAKE_DL_LIBS to link libraries

When echo is built without jpeg, exclude it from the cmake Confg file

Removed some unnecessary parameters from a function call, as they are defaults…

Actually link libcrypto and libtls

Always look for dependencies when including echo3 into external project, except…

Add libcrypto and libtls

Merge

Added missing library (vorbisfile) to CMakeLists

Added libssl requirement, updated echo3Config script

Made the DEPS_ROOT variable configurable

Merge with dehunterisation

Removed hunter dependency management in favour of a solution external to CMake…

remove deleted file

Added options to compile with OpenAL and Qt support (off by default)

- Add toolchain file

Merge

Fix incorrect Qt include path

Switched to Null platform targets

Remove Qt from cmake build

Merge with default

Merge with default

Merge with default

Hack to remove gtk for now

- Fix PKG_CONFIG_PATH on other architectures

- fix bullet and utf paths for hunter packages

- Fix echo3Config file

Makefile fixes for legacy build, add missing files to CMakeLists

Added an initial implementation of CMake build script for Echo.