[tracker] (10 commits) ...libtracker-data: Do not trigger replay with invalid ontology journal

[Jürg Billeter <juergbi src gnome org>]

Summary of changes:

  16484b3... libtracker-data: Use fstat to query size of open journal fi (*)
  9735b54... libtracker-data: Small refactoring in error handling of jou (*)
  969ffeb... libtracker-data: Remove unneeded out of memory check (*)
  52c86c2... libtracker-data: Handle EINTR instead of EAGAIN when writin (*)
  8bfa9a7... libtracker-data: Use GError for write_all_data in tracker-d (*)
  0ddddd2... libtracker-data: If unable to writer journal header, delete (*)
  8bfbe0d... libtracker-data: Move journal reader shutdown out of init_f (*)
  9dfdfac... libtracker-data: Use original error code in db_journal_read (*)
  60f0b61... libtracker-data: Clear ignored journal error in tracker_db_ (*)
  052844a... libtracker-data: Do not trigger replay with invalid ontolog (*)

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