Latte: fixed attributes and tags case sensitivity
Latte: safeUrl is applied to <object data>
Latte: in XML mode comments and unquoted attributes are escaped same way as in HTML
Latte: attributes are processed only in XHTML/HTML mode
run-tests.sh: print *.actual from Nette tests dir only

otherwise whole disc can be scanned.
Configurator: default extensions as public property array
NetteExtension: add all mailer options to defaults