CMake updates

Added CMakeLists for unittests, added find_package script for libtcodand gmock.

Signed-off-by: Lukasz Gromanowski <lgromanowski@gmail.com>
Updated unittests CMakeLists.txt file.

Signed-off-by: Lukasz Gromanowski <lgromanowski@gmail.com>
Added PROJECT_SOURCE_DIR to the libtcod search path

Signed-off-by: Lukasz Gromanowski <lgromanowski@gmail.com>
Corrected travis confguration.

Signed-off-by: Lukasz Gromanowski <lgromanowski@gmail.com>
Corrected UT executable name.

Signed-off-by: Lukasz Gromanowski <lgromanowski@gmail.com>
Removed -march=native and -mtune=native from compiler options.

Signed-off-by: Lukasz Gromanowski <lgromanowski@gmail.com>
Merge pull request #53 from lgromanowski/cmake

CMake updates