[DOC] Remove wiki link and fix main site link in README.md
[DOC] Remove code quality graphs from README.md
[TASK] Delete pyramid code chart graphic
[TASK] Delete complexity code chart graphic
[TASK] Fix typo in methodName

Didnt have any impact but its nicer like that!
Merge pull request #661 from benjaminrau/methodname-typo

[TASK] Fix typo in methodName
[BUGFIX] Argument has to be optional to allow use of tag children
Merge pull request #663 from benjaminrau/mediaext-requiredparam

[BUGFIX] File Argument has to be optional to allow use of tag children