[tracker] (67 commits) ...Merge branch 'master' into parser

[Jürg Billeter <juergbi src gnome org>]

Summary of changes:

  45eb031... SPARQL: Use hand-written parser (*)
  29ad227... Remove rasqal (*)
  0146ee8... Putting ASK support back in place (*)
  d0bda23... Sparql: Fix parsing `a' (*)
  7f5c87f... Implementation for SPARQL GROUP BY (*)
  e2b7340... SPARQL: Add SPARQL Update support (*)
  688f58a... SPARQL: Split ASK query out (*)
  203f3b9... SPARQL: Fix SELECT * (*)
  e902f0d... SPARQL: Fix string literals in triples (*)
  07a38c4... SPARQL: Support && and || (*)
  a790638... configure.ac: Remove unnecessary checks for flex and bison (*)
  765b845... SPARQL: Improve group graph pattern handling (*)
  f446c94... SPARQL: Fix build without rasqal (*)
  9a327f7... SPARQL: Various fixes for literals (*)
  ed7463a... SPARQL: Support DROP GRAPH (*)
  0525eb0... SPARQL: Fix IRI literals in updates (*)
  e108aa7... tracker-miner-fs: Use g_debug for frequent album art messag (*)
  2af77e1... SPARQL: Support for UNION (*)
  9902674... SPARQL: Fix variables in filters (*)
  f15a68d... SPARQL: Fix ORDER BY and GROUP BY (*)
  f49f38f... SPARQL: Code cleanup (*)
  b76fe68... SPARQL: Code cleanup (*)
  ef2b7ba... SPARQL: Code cleanup (*)
  f126d07... SPARQL: Code cleanup (*)
  11f665e... SPARQL: Code cleanup (*)
  26bf27a... SPARQL: Support aggregate functions and more cleanup (*)
  9d67d06... Handling passing a non-existing variable in a sparql query (*)
  8d8fdb2... SPARQL: support for STR (*)
  dcbeada... Indentation fix (*)
  1141c68... SPARQL: limited support for DATATYPE (*)
  d9aeed6... SPARQL: Start collecting type information for expressions (*)
  1a7aed5... SPARQL: Support unary minus (*)
  d6a4c54... SPARQL: Add type information for unary expressions (*)
  c61b8ce... SPARQL: Fix propagation of lexer errors (*)
  2b51b23... SPARQL: Fix aggregate functions (*)
  5ef2e55... SPARQL: support for PN_PREFIX and COLON (*)
  e5b8409... SPARQL: Add type information for multiplicative expressions (*)
  be8a500... SPARQL: Add type information for additive expressions (*)
  75542f0... SPARQL: Add type information for relative expressions (*)
  561d84c... SPARQL: Fix type information for prefixed names (*)
  4d75acd... SPARQL: Add type information for conditional expressions (*)
  0914a2b... SPARQL: Support arbitrary expressions in STR (*)
  031ca96... SPARQL: Fix lexing COUNT (*)
  0357ee8... SPARQL: Cleanup (*)
  e5663c4... SPARQL: Add type information for variables (*)
  144cae6... SPARQL: Cleanup code (*)
  8a934d1... SPARQL: support for ISIRI()/ISURI() (isiri(<foo>) still nee (*)
  d2a2678... SPARQL: Fix for isiri(<foo>) (*)
  333e4c7... SPARQL: limited ISBLANK support (*)
  93c2b6b... Small performance improvement (*)
  8dc1075... SPARQL: Fix group graph pattern handling (*)
  1e55b33... libtracker-data: Add algebra/two-nested-opt test (*)
  cb9efa9... libtracker-data: Add algebra/two-nested-opt-alt test (*)
  f029985... libtracker-data: Add algebra/opt-filter-3 test (*)
  a94ed56... libtracker-data: Add algebra/filter-placement-1 test (*)
  2f546d4... libtracker-data: Add algebra/filter-placement-2 test (*)
  895342a... libtracker-data: Add algebra/filter-placement-3 test (*)
  3edc988... libtracker-data: Add algebra/filter-nested-2 test (*)
  296fed5... libtracker-data: Add algebra/filter-scope-1 test (*)
  a3c14bc... libtracker-data: Add algebra/var-scope-join-1 test (*)
  4c6f41c... Fix make distcheck (*)
  69917d7... SPARQL: Fix SQL variable scoping in group graph patterns (*)
  422886b... SPARQL: Fix parentheses for BOUND call (*)
  0d26b5c... SPARQL: Fix UNION graph patterns with different variable se (*)
  401a559... libtracker-data: Add optional/q-opt-complex-1 test (*)
  94839da... SPARQL: Add support for GROUP_CONCAT (*)
  6903935... Merge branch 'master' into parser

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