UUID update

Update UUID from alpha-6 to 1.1 for https://www.drupal.org/sa-contrib-2018-045.
As far as I can see no blocking things in the update...

Changes since 1.0-alpha6:

#2374691 by alexdmccabe: Call to undefined function uuid_sync_all()
#2364859 by daniel_j: Fixed entity_save in uuid_update_7103 fails due to missing parameter.
#2179475 by jweowu: Improve UUID generation
#1565082 by jeffschuler: Fix features hook docs
#1795152 by jamesharv: Localise tnid of node in hook_entity_uuid_save() if not yet done
#2339411 by joseph.olstad, skwashd: Check entities delete before trying to delete them
#2308501 by james_kerrigan: Implement static caching for uuid/id lookups
#1959276 by jpstrikesback, skwashd: Return 406 if user doesn't exist
#2074599 by timaholt, skwashd: Remove all contrib module suppport
#2276507 by dkingofpa, skwashd: Use correct $op check for taxonomy terms
#2302575 by dkingofpa: Don't change comment op for access check
#1859234 by CarlHinton: Make entity_uuid_save() return result from entity_save()
#1665084 by skwashd: Drop references to deleted hook
Implement access check before the redirect to prevent information disclosure
Prevent fatal errors in UUID entity functions if entity type does not support UUID
#2763369 by BR0kEN: Populate information about DB index to Schema API
Switch to trait for assertUuid and bump minimum PHP version to 5.5
#2763727 by BR0kEN: Optimizations and fixes for tests
Fix issues found by PHP Code Sniffer
Add UUID v5 generator function
#2636906 by JeroenT: Fix uuid/[entity]/[uuid] notice
#2043273 by skwashd, recidive: Improve how UUID services sets the node author.
#2043273 by recidive: UUID services does not properly set node author.
#2365281 by timcosgrove: Refine UUID validation pattern
#2300301 #2236497 by skwashd: Fix formatting
#2300301 by dkingofpa: Fix undefined property notice in stdClass::$fid in file_entity_access()
#2236497 by RoSk0: Documentation: Add link to integration docs
#2121031 by RoSk0, pingers, maijs: Error when trying to create empty file or destination directory not set
#2391701 by joseph.olstad: Typo in uuid_services_menu description
#2724323 by skwashd: Ensure passwords are always encrypted
#2738499 by chaitanya17: Remove type element from admin/config/system/uuid
Fix broken tests
Enable testing with TravisCI
Fix arbitrary file upload via services REST server on uuid_services