Merge pull request #3 from atowers-devs/next

Set up the project's base.
Merge pull request #4 from atowers-devs/next

Added a HACKING file to describe steps to build project.
Add .gitignore to ignore build directory
Rename HACKING -> HACKING.md
Add "Install on Windows (MinGW)" section
HACKING.md: Fix some new lines
HACKING.md: Improve documentation
Small fixes to the installation file.
More tweaks to INSTALL.md.
Language fixes to the INSTALL file.
Merge pull request #6 from atowers-devs/devel

Added an INSTALL.md with details on building and running atowers on GNU/Linux and Windows.
INSTALL.md: Fix newline
Implemented the base of the SDL Wrapper class.
Implemented Wrapper::clear_screen.
Fixed compilation errors and updated the game loop.
Comented the draw_line call.
Removed unnecessary lines from CMakeLists.txt.
Update Game.cpp

Curly braces where they belong ;)
Fixed indentation.
Merge pull request #7 from atowers-devs/devel

Implemented the base of the SDL Wrapper class.