Bug fix : when targets was copied, empty Directory (not contains any file) will be deleted.

If there are
c:\hoge
c:\hoge\fuga\piyo.exe
Old script will remove c:\hoge as there are no files right under c:\hoge.
Now I added file tree check to prevent these issue
Merge pull request #109 from guitarrapc/Bug_fix_for_Package.ps1

Bug fix : Package.ps1 have bug possibility of removing Empty Directory even it's child have file.
発生中の任務がない場合のために任務確認処理の位置を変更 (fixed #63)
Merge pull request #112 from twinkfrag/master

発生中の任務がない場合のために任務確認処理の位置を変更 (fixed #63)
Add FleetCommandFacility icon
Merge pull request #113 from yuyuvn/original-pr

Add FleetCommandFacility icon
Merge branch 'japanese'
Bump build number for updates from upstream