Include solution path
Ignored some directories
Updated installation instructions
Updated CMakeLists.txt for out-of-source builds
Missed quote
Merge pull request #11 from killermosi/master

README.md and CMakeLists.txt updates
modify cmakelists for mac os and check compiler supports c++11 feature
modify CMakeLists.txt
Merge pull request #12 from sparkstar/features/cmake

Features/cmake
add XCOM Base screen
add hscrollbar where bottom of base screen
add graphicsbuttons
add graphicbutton
Merge pull request #13 from sparkstar/features/option_to_base

Features/option to base