Use NullLogger to reduce if() usage.
Update logger usage in the Image class.
Remove hasLogger() method. Just check ->logger.
detectRequestUri use improved isSSLConnection
Remove unused $instance from Cli & Web Applicaiotn
Corrected Image package
Http, Language and Linkedin
Facebook
Cache
Merge pull request #273 from piotr-cz/cs

CodeSniffer fixes
Merge pull request #272 from asika32764/patch-4

Remove unused $instance from Cli & Web Applicaiotn
Merge pull request #270 from piotr-cz/patch_Application-detectRequestUri

detectRequestUri uses improved isSSLConnection
Merge pull request #262 from dongilbert/NullLogger

RFC: NullLogger
Added Dispatcher::setListenerFilter

Added a way of filtering listener methods that are registered to listen
for events using a regular expression.
Fix up event dispatcher unit test.