Cleaned up main config system include + switched to testing mode
Formatting changes (and major renames) of the Config System's interface to better comply with Google's c++ style guide.
Many renames, refactorings, and changes in comments to make the Config System's code better meet with the Google and the NUbots c++ style guides.
Add the config system's wiki documentation file.
Merge branch 'ConfigSystemFileManagement' into develop