Minor cleanup
Tweaked .gitignore, cleanup.cmd and COPYING.txt
Tweaked exception condition documentation
WaitTask: Added optional timeout
Added AppInfo.NameVersion
DownloadFile+WebClientTimeout: Set AppInfo.NameVersion as UserAgent
Added ReSharper team-shared settings
XmlStorage: Merged .AddStylesheet() into .Save()

Changed indent from tab to spaces
Fixed typo: IsUnifxFS ->IsUnixFS
Restructured namespaces
Added UnixUtils.GetMountPoint() and .GetFileSystem(), used in FileUtils.IsUnixFS()
Incremented version number