[editcontroller] req=self._cw makes things easier to read

[facets,js] fix bogus checkbox icon appearing after the first interaction (closes #2790332) This is because of the hardcoding of the data/ url.

fix typos in docstring, doc and comments

[debian] remove workaround for broken sphinx/jquery combination sphinx in squeeze was updated: http://packages.qa.debian.org/s/sphinx/news/20130112T154737Z.html

[schema] mark CWDataImport as an internal type. Closes #3025536

[pkg] remove deprecated dependency on pysqlite2

Fix two crashes in db-check (closes #3024964) Also improves various debugging messages.

[rql rewrite] may_be_shared_with should consider relation's scope (closes #3024730) When a relation's scope is not the current statement, it must not be shared (instead of comparing the statement).

[rql rewrite] fix may_be_shared_with method so that it actually considers all variable infos and not only the first one

[schema/security] add __hash__ to rql expression. Closes #3013535 This is required so that when some rql expression participate to a dictionary key, only the expression is considered (consistent with comparison). This behaviour is expected in security at least, see the related bug for instance. This scramble msplanner unit tests a bit.