[tracker/tracker-2.2] (12 commits) ...Merge branch 'sam/tracker-test-dbus-services' into 'tracker-2.2'

[Sam Thursfield <sthursfield src gnome org>]

Summary of changes:

  2cd98af... utils/sandbox: Use PEP8 code style (*)
  1d758d5... utils/sandbox: Specify Tracker version to import (*)
  fe35923... utils/sandbox: Be clearer when we are reusing a D-Bus sessi (*)
  da0f79f... utils/sandbox: Separate --search and --query options (*)
  67b59fc... utils/sandbox: Don't set environment variables (*)
  2a26e8b... Merge branch 'sam/sandbox-fixes' into 'master' (*)
  ef3fa4a... utils/sandbox: Misc PEP-8 cleanups (*)
  7f6f8d4... Merge branch 'wip/jfelder/sandbox-cleanup' into 'master' (*)
  fd587b6... build: Bump version to 2.3.0 in master (*)
  fc09a26... tests: Don't depend on installed service file (*)
  9ed10b1... tests: Explicitly mark the unit tests which require D-Bus (*)
  6d842c1... Merge branch 'sam/tracker-test-dbus-services' into 'tracker

(*) This commit already existed in another branch; no separate mail sent