MFC r270668, r270669, r270672:

r270668:
  Add gnugrep.1 to CLEANFILES.

r270669:
  Add host.1 to CLEANFILES.

r270672:
  Add svnlite.1 to CLEANFILES.

Sponsored by:	The FreeBSD Foundation
MFC r269608:
  Add device ID for the Chicony USB 2.0 HD UVC Webcam
  found on the Asus X550LA.

Sponsored by:	The FreeBSD Foundation
MFC r269903:

 Port date/bin/tests to ATF

 Phabric: D545
 Approved by: jmmv (mentor)
 Submitted by: keramida (earlier version)
 Sponsored by: Google, Inc
 Sponsored by: EMC / Isilon Storage Division
Merge remote-tracking branch 'freebsd/stable/10' into hardened/10/aslr