This commit adds a default runConfiguration which just launches the default activity without any special parameters, it also adds `.idea/runConfigurations.xml` to `.gitignore` as it is a legacy file which may be generated by older versions of Android Studio.
An exceptional signal handler allows us to convert an OS signal into a C++ exception, this allows us to alleviate a lot of crashes that would otherwise occur from signals being thrown during execution of games and be able to handle them gracefully.
This commit adds in the UI for Controller Configuration to Settings, in addition to introducing the storage and loading of aforementioned configurations to a file that can be saved/loaded at runtime. This commit also fixes updating of individual fields in Settings when changed from an external activity.
