2.0.3.3 - Pull to Release

* Changed how the version check works when loading the minecraft
settings.
* Added more code on top of the file management for minecraft. Fixed
GH-41
* Added Visual indicator for deleteing files.
* Moved the minecraft assets refrence file to the assets folder.
* Fixed Emtpy URL check on the launcher settings. Should allow for no
update url now.
* Added checks on the Update URL. It now works if it only contains the
version number.
* Began Server Added Files Code, incomplete.
* Delete Folder Loop code added.