[tracker] (17 commits) Non-fast-forward update to branch sam/import-export

[Sam Thursfield <sthursfield src gnome org>]

The branch 'sam/import-export' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  43cb734... libtracker-data: Remove dead code in tracker-db-backup.[ch]
  d2197e9... libtracker-data: Remove accessor for removed forceJournal p
  5ca92ed... Allow 'open with existing ontology', disable automatic re-i
  d34dc6a... libtracker-data: Don't create double transactions in LOAD
  0e11316... libtracker-data: Fix crash when statement cache isn't initi
  0ac3fa9... cli: Create read/write connection for tracker-sparql
  b0cd149... cli: Add `import` and `export` commands

Commits added to the branch:

  46ca75a... Remove Maemo ontology (*)
  2f32ee3... Remove tracker:defaultValue feature (*)
  cea00f6... functional-tests: Add tracker_test_main() (*)
  3673002... trackertestutils: Add some utils needed in tracker-miner te (*)
  e42f6f6... Merge branch 'sam/remove-maemo' into 'master' (*)
  d866550... Fix broken test in master (*)
  b6ccb52... Merge branch 'sam/test-utils' into 'master' (*)
  1508660... libtracker-data: Remove double error check (*)
  8dcc081... libtracker-data: Remove dead code in tracker-db-backup.[ch] (*)
  bbd72ad... libtracker-data: Remove accessor for removed forceJournal p (*)
  a0efd19... Allow 'open with existing ontology', disable automatic re-i (*)
  2ce17e2... Merge branch 'sam/explicit-ontology-paths' into 'master' (*)
  2a28ddf... libtracker-data: Don't create double transactions in LOAD (*)
  e6bce71... libtracker-data: Fix crash when statement cache isn't initi (*)
  e263dd1... cli: Create read/write connection for tracker-sparql (*)
  e7ab3b8... Merge branch 'sam/fix-load' into 'master' (*)
  b68e604... cli: Add `import` and `export` commands

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