Moved license file to /docs folder
Renamed /lib to /server-lib
Moved mirth-server.jar to /server-lib
Moved mirth-cli.jar to /cli-lib
Removed mirthdb automatic creation on build.
Changed default mirthdb path to /appdata/mirthdb
Renamed mirth-manager.jar to mirth-manager-launcher.jar

Issue: MIRTH-1713
Modified the build to include xstream from client-lib since a couple of classes have XStream annotations.
Issue: MIRTH-2251