[tracker] (26 commits) Non-fast-forward update to branch wip/carlosg/serialize-api

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/serialize-api' 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:

  f8da348... libtracker-data: Convert blank nodes in DESCRIBE queries
  61428c8... libtracker-data: Add missed GTypes in conversion
  65211f0... libtracker-sparql: Ensure to register a single instance of 
  a01fec8... libtracker-sparql: Add internal Turtle format TrackerSerial
  7d0119b... libtracker-sparql: Add tracker_sparql_connection_serialize_
  b94519e... libtracker-data: Add internal API to tell whether a query m
  dbc19d2... libtracker-sparql: Implement serialize_async/finish in dire
  3e17a49... libtracker-data: Use SQL value type as a last resort to det
  2da111d... libtracker-sparql: Fix refcount management of a serializer'
  ae061a4... libtracker-data: Provide graph information at describe quer
  2cde182... libtracker-sparql: Support serialization to Trig format
  46066f5... libtracker-sparql: Implement serialize_async/finish on DBus
  f19a260... libtracker-sparql: Implement serialize_async/finish on remo
  7eecc57... cli: Use serialize() method for "tracker3 export" command
  a44d868... libtracker-data: Hint best tracker_triples access strategy 
  65b7ba6... libtracker-sparql: Add TrackerSparqlStatement API to serial
  fe7b92e... libtracker-sparql: Implement serialization on direct statem
  4da9b54... libtracker-sparql: Handle statement serialization in D-Bus 
  b326e48... libtracker-sparql: Implement statement serialization in D-B
  ce7cdda... libtracker-sparql: Add missing "static" in functions
  5427e03... libtracker-sparql: Implement statement serialization on rem
  14cdd60... tests: Add serialize tests
  cfa20b7... libtracker-sparql: Fix typo
  dcbff70... docs: Add documentation blurb about DESCRIBE resultset form

Commits added to the branch:

  757ef93... libtracker-data: Plug leak
  f9eaa9f... libtracker-data: Plug string leak
  6b396dc... libtracker-data: Convert blank nodes in DESCRIBE queries
  5fe783a... libtracker-data: Add missed GTypes in conversion
  fea572a... libtracker-sparql: Ensure to register a single instance of 
  f4544e6... libtracker-sparql: Add internal Turtle format TrackerSerial
  83f8081... libtracker-sparql: Add tracker_sparql_connection_serialize_
  0f89ea8... libtracker-data: Add internal API to tell whether a query m
  8ab8d0a... libtracker-sparql: Implement serialize_async/finish in dire
  6ee7fc3... libtracker-data: Use SQL value type as a last resort to det
  496d590... libtracker-sparql: Fix refcount management of a serializer'
  f3c94a4... libtracker-data: Provide graph information at describe quer
  51362c4... libtracker-sparql: Support serialization to Trig format
  3772433... libtracker-sparql: Implement serialize_async/finish on DBus
  ebf1d44... libtracker-sparql: Implement serialize_async/finish on remo
  ea532fb... cli: Use serialize() method for "tracker3 export" command
  8665e24... libtracker-data: Hint best tracker_triples access strategy 
  2b2cfe7... libtracker-sparql: Add TrackerSparqlStatement API to serial
  a9ab0b1... libtracker-sparql: Implement serialization on direct statem
  2206c4f... libtracker-sparql: Handle statement serialization in D-Bus 
  9764f2c... libtracker-sparql: Implement statement serialization in D-B
  9c5d16b... libtracker-sparql: Add missing "static" in functions
  a0314ae... libtracker-sparql: Implement statement serialization on rem
  266846e... tests: Add serialize tests
  28206db... libtracker-sparql: Fix typo
  06f359a... docs: Add documentation blurb about DESCRIBE resultset form