Fixes deadlock when --help or invalid option is passed as command argument.
Merge pull request #79 from doggan/option_parsing

Fixes deadlock when --help or invalid option is passed as command argume...
Import a dummy settings file.
Simple default + user setting file loading.
Use settings file for initial renderer resolution.
Add user setting file to ignore list.
Fix compile error for pre-C++11...
Merge pull request #81 from doggan/config-file

Config file
find sdl_image
added libRocket
added basic interface for displaying guis