Add reconnectable statement
Fix tests
PHRAS-114 #fix Add candidate in thesaurus
Merge pull request #1045 from nlegoff/refactor-connection

[3.8.6][PHRAS-71] Add reconnectable statement
 fix bug in firefox
Merge pull request #1137 from jygaulier/fix-PHRAS-65

 fix bug in firefox
Fix minor issues
Merge pull request #1138 from nlegoff/fix-38issue

[3.8.6] minor issues
Merge pull request #1136 from nlegoff/fix-114

[3.8.6][PHRAS-114] Add candidate in thesaurus
phras-36 #time 4h
first proto, wip do not merge
speedup occurences calc
clean
speedup hit compute (green digits in prod/thesaurus)
Merge pull request #1140 from jygaulier/speedup_thesaurus_prod

[3.8][PHRAS-36] Speedup thesaurus prod
Merge branch '3.8'

Conflicts:
	lib/Alchemy/Phrasea/Controller/Thesaurus/Thesaurus.php
	lib/Alchemy/Phrasea/Controller/Thesaurus/Xmlhttp.php
	lib/classes/connection.php
	lib/classes/connection/abstract.php
	lib/classes/connection/interface.php
	lib/classes/connection/pdo.php
	lib/classes/connection/pdoStatementDebugger.php
	lib/classes/module/report/activity.php
	lib/classes/module/report/sqlfilter.php
	lib/classes/record/adapter.php
	lib/classes/task/period/subdef.php
	templates/web/prod/thesaurus.js.twig
	tests/Alchemy/Tests/Phrasea/Setup/InstallerTest.php
	tests/classes/PhraseanetPHPUnitAbstract.php
	tests/classes/connectionTest.php