Drehmal 2.2: Apotheosis Installer

Patch Notes (v0.4.0 -> v0.4.1)

added check for enough free space in appdata dir and selected installation path
shards, java runtime now installed within the user-selected directory instead of the user's appdata dir
modified server run scripts to use relative paths instead of absolute paths, allowing user to move server folder around freely
added readme files for server installation and for installer file dir explaining contents, directions, and recommendations
various performance and logging improvements