CDB-3098 Re-fully qualifying CDB_xxx calls now that extension should be already present
CDB-3098 Cherry-picked search_path definition commits from CDB-2939
CDB-3098 Added database_schema to user attributes (just defaulting to public for now)

Conflicts:

	app/models/organization.rb
CDB-3098 preparations for switching user schemas
CDB-3098 Changed some hardcoded 'public' for user schemas
CDB-3098 Missing comma
Plug connection leaks in all specs
Merge pull request #544 from strk/leaks

Plug connection leaks in all specs
CDB-3098 fix to avoid search_path fail upon extension install
CDB-3098 add_python also called at load functions, so disabling there cartodb from search_path
CDB-2891 bugfix.non static attribute access inside static scope
CDB-3098 Another typo and another log
Merge branch 'master' into CDB-3098
CDB-3098 last typo
CDB-3098 branch stabilization
CDB-3098
CDB-2981