Removed bundled GLFW and updated codebase to use system GLFW(3) lib.
Initial (Linux-only) support to build GLFW as a CMake's "ExternalProject_add" target.
Update README.md

Improved doc about GLFW.
Linked more required libs on Mac.
Update key mapping for GLFW3
Enabled CMake's "ExternalProject" feature on Windows.
Merge pull request #2 from jcmonnin/fix-key-mapping

Update key mapping for GLFW3
Merge branch 'glfw-cmake-external-project' of https://github.com/zuck/Horde3D into glfw-cmake-external-project
Removed debug message.
CMake's "ExternalProject" support for Mac.
Increased minimum required CMake's version to 2.8.
Adjust the GLFW link libraries on MacOSX
Fixed window title handing in samples.
Use sourceforge download URL. For Xcode compatibility, use install step for project_glfw and add dependency to it in samples.
Moved requisities to a separated CMake module.
Big cleanup of root "CMakeLists.txt" (with better extensions handling).
Merge pull request #4 from jcmonnin/fix-cmake-mac

Fix cmake mac
Merge branch 'develop' of https://github.com/zuck/Horde3D into develop
Moved "Requisities.txt" to root.
Added option to force linking against local GLFW instead of system-wide.