Log Message:
Update print/cups to 2.1.4

pkgsrc changes:
 - Switch MASTER_SITES to MASTER_SITE_GITHUB (per-upstream), simplify DISTNAME
   handling and get rid of comment (because also the bug handling changed to
   GitHub issues)

Changes:
CHANGES IN CUPS V2.1.4
----------------------
 - Fixed reporting of 1284 Device IDs (Issue #3835, PR #3836)
 - Fixed printing of multiple files to raw queues (Issue #4782)
 - The scheduler did not implement the Hold-New-Jobs opertion correctly
   (Issue #4767)
 - The ipptool program truncated values at 8k (Issue #4786)
 - The ipptool program did not correctly report uriScheme values in plist
   output (Issue #4785)
 - The cups-lpd mini-daemon incorrectly included the document-name
   attribute when creating a job.  It should only be included when
   sending a job (Issue #4790)
 - USB quirk updates (Issue #4778, Issue #4789)
 - Documentation update (Issue #4772)