AllSpark is meant to simplify the configuration of Garnish in exchange for
being less flexible.

It also aims to replace some built-in code with external libraries.

This first commit replaces the built-in cache with ccache and starts to
rip apart the caching configuration
Reworking everything.
fixed logging in tests, format
response tests
move test helper to gc
Switch to a custom logger (having problems with the other one)

Implemented upstream

More tests