Removing ifs and lazy initialization since CDI already do this job
Extract some validations to methods
Call log once
Upgrading servlet api
Validate if app runs under servlet 3.1 impl
Upgrading servlet api to Java EE 7
Adding new methods introduced in Servlet 3.1
Validate if app runs under Servlet 3 and CDI 1.1 environments
Typo: warn when not found
Better log message
Log level as trace
Merge pull request #419 from garcia-jj/ot-cdialreadycacheinstances

Removing ifs and lazy initialization since CDI already do this job
Merge pull request #418 from garcia-jj/ot-betterstartupmessages

Validate if CDI 1.1 and Servlet 3