Cast histogram free function pointer
cast function pointer to avoid warnings
Removed map to switch to eina_hash
Added write / read of cache file for histogram hash
Removed map object
Use bucket number as fixed size array + changed histogram average for
allowing to fill pointer to results
Added common header test with assert float equals macro
Use hash for histograms storage
Fix stupid sizeof error...
Adding simple list device program
Switch max width / max height to pointers
Fix set of max heigth / width
Don't free list value to avoid double free
Added resave of loaded map test
Moved search similarity to histogram file
Load and save map in job handler
Fixed check histogram save test