Database connection error handler
Opengraph & Keyword system added.
Major updates

* Action & Events
* 404 Page
* Plugin based templates - need to finalise.
* Documentation on README
Documentations
Default Favicon updated
Our logo - First Draft Concept
Update README.md

english syntax correction
localisation -> localization
Merge pull request #1 from guisouza/patch-1

Update README.md
Update README.md
Update README.md
Meta tags fixed...
Dynamic content type menu generation.