~robert-ancell/accountsservice/update-0.6.40

* New upstream release (LP: #1466289)
* Merge with Debian, remaining Ubuntu changes:
* debian/compat:
  - Use version 9
* debian/control:
  - ???
* debian/rules:
  - Use -O1 instead of -O2 because it works around a problem with
    the manager object never reporting its readiness to users of
    libaccountsservice.  Hoping this fixes LP: #1351308
  - Don't multi-arch the libexec dir
* debian/gir1.2-accountsservice-1.0.install:
* debian/libaccountsservice-dev.install:
* debian/libaccountsservice0.install:
  - Update for multiarch paths
* debian/accountsservice.postinst:
  - don't try restarting the service from the maintainer script after 
    upgrades
* debian/libaccountsservice0.symbols:
  - Add symbols added from patches
* libpam-pin.install:
  - Install PAM pin support from 0014-pam-pin.patch +
    0015-pam-pin-ubuntu.patch
* debian/patches/0001-formats-locale-property.patch:
  - ???
* debian/patches/0001-Move-cache-cleanup-out-into-a-common-function-and-cl.patch:
  - ???  
* debian/patches/0002-create-and-manage-groups-like-on-a-ubuntu-system.patch:
  - ???  
* debian/patches/0002-On-startup-clean-out-the-data-of-removed-users.patch:
  - ???  
* debian/patches/0007-add-lightdm-support.patch:
  - Modified version
* debian/patches/0008-nopasswdlogin-group.patch:
  - ???  
* debian/patches/0009-language-tools.patch:
  - Modified version
* debian/patches/0010-set-language.patch:
  - ???  
* debian/patches/0011-add-background-file-support.patch:
  - ???  
* debian/patches/0012-add-keyboard-layout-support.patch:
  - ???
* debian/patches/0013-add-has-message-support.patch:
  - ???  
* debian/patches/0014-pam-pin.patch:
  - ???  
* debian/patches/0015-pam-pin-ubuntu.patch:
  - ???  
* debian/patches/0016-add-input-sources-support.patch:
  - ???  
* debian/patches/0020-support-login.defs.patch:
  - ???  
* debian/patches/0021-support-extrausers.patch:
  - ???  
* Build docs unconditionally to prevent FTBFS.
* New upstream release (Closes: #787581):
  - Fix SIGSEGV with UID numbers larger than 2^31. (Closes: #759563)
* Update patchset against new sources:
  - Refresh patches.
  - Drop 1001-buildsystem.patch, seems unnecessary.
* Refresh libaccountsservice0.symbols.
* Revert "Use ./autogen.sh in dh_autoreconf to fix binary-arch build
  failure".
* Remove debian/clean to avoid deletion of gtk-doc.make.
* Update debian/watch
* Update Homepage
* Bump Standards
* Do not override DefaultStandardOutput, it could be helpful for sysadmins
  to determine how output gets logged. Thanks to Josh Triplett for
  reporting this. (Closes: #741124)
* Refresh 0009-language-tools.patch.
* Enable 0009-language-tools.patch. (Closes: #756259)
* Point libglib2 build dependency at the proper version.
  Thanks to Breno Leitao for the report and patch. (Closes: #753415)