Release 2.2.0

Beta 1 for 2.2.0

Release 2.1.2

Release 2.1.1

Release 2.0.0

Release 2.1.0

	新文件： share/completions/lsusb.fish

	新文件：    share/functions/__fish_complete_usb.fish

Default fish_pager_color_description to '555 yellow'

Fixes fish-shell#280

Bump OS X installer package version

Updated make_tarball.sh to stop dumping files in the extract directory