Log Message:
Add typo3_61 version (TYPO3 6.1.5).

* Improving the File Abstraction Layer
* UI Improvements for the Extension Manager
* Use for PHP mysqli instead of "mysql" module
* Further Changes:
  - Removed extension statictemplates
  - Improved TCA load mechanism
  - Install Tool: Environment Checks
  - Extbase: The rewritten property mapper is now the default mapper
  - Fluid: Allow Fluid arrays only in ViewHelper arguments
  - Extbase: Object persistence behaviour changed from implicit to explicit
    save