Removed notices when running core from CLI. Moved info about page rendering time and queries count from NOTICE to INFO level
Fixes #5601 allowing empty tags to pass through to clear previous tags
removed crazy code that doesn't do anything useful - only fires when $blog->foo = false
Merge branch '1.8'
Merge pull request #5535 from Srokap/develop

Removed notices when running core from CLI. Moved info about page render...
fixed logging of events and plugin hooks
__set() does not return anything
Fixes #5593 made the unit test deterministic