[tracker/urho-sync] (12 commits) ...Merge branch 'master' into urho-sync

[Philip Van Hoof <pvanhoof src gnome org>]

Summary of changes:

  3bc4f9a... Replace raptor by hand-written Turtle parser (*)
  517a81a... Added restore-from-turtle backup support (*)
  c8ffcd1... Turtle: Improve error handling (*)
  f47b5b7... SPARQL: Improve error handling (*)
  2fe2554... Turtle: Report error when using undefined prefix (*)
  d73bf93... SPARQL: Report error when using undefined prefix (*)
  d4bec3a... SPARQL: Report current location in errors (*)
  955a936... Turtle: Report current location in errors (*)
  aa82b2e... Added unit-test for Turtle parser (*)
  9e55c92... Merge branch 'parser' (*)
  d8aebcb... SCAL: Fix typos (*)
  a7a7339... Merge branch 'master' into urho-sync

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