Disable git submodule initialization (we do not have any at the moment)
Fix BUILD_RELEASE custom target 'make run' path
Rename REQUIRED_LIBS to EXTLIBS & Introduce EXT_HEADERS variable
Fix Spacing
Remove docs build variant target
Move CPack configuration to CPackConfig.cmake & consolidate generators

	* Introduce cmake/templates directory & remove cmake/cpack dir
	* Introduce Description.txt, LICENSE.txt, README.txt, Welcome.txt
Clean up build target options

	* Use CMAKE_BUILD_TYPE properly; installation options no longer
depend on Debug / Release being set
  	* Rename option BUILD_RELEASE to BUILD_POSIX
  	* add BUILD_DEV option (the default when BUILD_OSXAPP or BUILD_POSIX
are not in use)
Add SUBLIME_RUN_PATH variable so we only set custom target once
Remove BUILD_DEV option (this is the default build if not packaging)
Update comments
Use TTCARDS_INSTALL_PREFIX if built as posix distribution
Relocate Info.plist.in, cmake_uninstall.cmake.in & version.hpp.in to cmake/templates

	* Add CMAKE_TEMPLATE_PATH variable
Update sections; add Build Status & Building for Linux subsections
Fix a couple bugs with BUILD_POSIX & BUILD_OSXAPP targets

	- BUILD_POSIX:
		* TTCARDS_INSTALL_PREFIX macro was improperly defined

	- BUILD_OSXAPP:
		* template path typo
		* Correct the incomplete SUBLIME_RUN_PATH path
Bump CMake's minimum required version to 2.6 from 2.8
Update comments
Update dependencies & fix formatting of build instructions
Introduce BUILD_DOCS option -- generates API documentation using doxygen

	* Relocate docs/doxygen.cfg to cmake/templates/Doxyfile.in
Introduce platform detection script & platform-specific options
Add dependency for doxygen