[tracker] (5 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:

  03e6b8f... Add tracker_sparql_connection_new_with_ontology(), disable 
  609933a... libtracker-data: Don't create double transactions in LOAD
  ed7d809... libtracker-data: Fix crash when statement cache isn't initi
  b86b79e... cli: Create read/write connection for tracker-sparql
  778b3b6... cli: Add `import` and `export` commands

Commits added to the branch:

  cae9f1b... Add tracker_sparql_connection_new_with_ontology(), disable  (*)
  f621a88... libtracker-data: Don't create double transactions in LOAD
  b281fb8... libtracker-data: Fix crash when statement cache isn't initi
  bf29d77... cli: Create read/write connection for tracker-sparql
  5dd7bad... cli: Add `import` and `export` commands

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