use extension key by default (#6)

if license is not stated implicitly in the config the Agent will use default newrelic license from php.ini

upgrade newrelic lib

Fix and enhance (#3)

* remove composer.lock

* add support for modules

Merge pull request #2 from kirsenn/master

Don't crash application if newrelic ext is missing

add config option to disable ext

fix transaction naming event

hotfix

fix for array params