Rclone 1.49.2 release

Here is a quick point release to address a few important bugs.

v1.49.2 - 2019-09-08

  • New Features
    • build: Add Docker workflow support (Alfonso Montero)
  • Bug Fixes
    • accounting: Fix locking in Transfer to avoid deadlock with --progress (Nick Craig-Wood)
    • docs: Fix template argument for mktemp in install.sh (Cnly)
    • operations: Fix -u/--update with google photos / files of unknown size (Nick Craig-Wood)
    • rc: Fix docs for config/create /update /password (Nick Craig-Wood)
  • Google Cloud Storage
    • Fix need for elevated permissions on SetModTime (Nick Craig-Wood)