Fix singleton count
WIP : Fields v3->v5 migration
Merge branch 'tv3_to_tv5' of tuleap.net:tuleap/tuleap/dev into tv3_to_tv5

* 'tv3_to_tv5' of tuleap.net:tuleap/tuleap/dev:
  Fix singleton count
  Write down test config file
  Fix one test
  Load db config from environement
  Clean useless stuff
Remove FieldSetDao.class.php
removing trailing spaces
adding array_merge
removing Tracker_SemanticTestAbstract
Transform phpt to new DB test
Test the real object instead of querying DB
add tests in Tracker_SemanticManagerTest.php
tracker_field.parent_id has now the right value.
Merge branch 'tv3_to_tv5' of tuleap.net:tuleap/tuleap/dev into tv3_to_tv5

* 'tv3_to_tv5' of tuleap.net:tuleap/tuleap/dev:
  Test the real object instead of querying DB
  Transform phpt to new DB test
adding a new wsdl type (trackerStructure)
modify getTrackerSemantic -> getTrackerStructure
Merge remote-tracking branch 'stable/master' into 1640_add_tracker_semantic_soap_functions
Allow to mock the database instead of defining fake functions
Skip test if no db
Fail silently if no db configured
Database connexion test that actually works
fetch_assoc != fetch_array
Handle fields default values + fields size
Merge branch 'tv3_to_tv5' of tuleap.net:tuleap/tuleap/dev into tv3_to_tv5

* 'tv3_to_tv5' of tuleap.net:tuleap/tuleap/dev:
  fetch_assoc != fetch_array
  Database connexion test that actually works
  Fail silently if no db configured
  Skip test if no db
  Allow to mock the database instead of defining fake functions
Fix unit tests.