[TASK] Replace all calls to CMS functions with namespace equivalent

A simple shell script was used for all the replacements
https://gist.github.com/daKmoR/7490199
[TASK] Remove legacy dependency and adjust composer namespace
[TASK] Remove ext_autoload.php
Merge pull request #102 from cedricziel/composerAdjustments

[TASK] Remove legacy dependency and adjust composer namespace
Merge pull request #101 from FluidTYPO3/dev-namespaces

[TASK] Replace all calls to CMS functions with namespace equivalent
[TASK] Set proper version depedency
Merge pull request #104 from FluidTYPO3/dev-namespaces

[TASK] Set proper version depedency