added block images credits

added block images credits
* Added 2 entity images
* Deleted 2 entity images
* Added 2 Mob images
* Deleted 2 Mob images
* Changed Image credits
Merge branch 'master' of https://github.com/BaalMcKloud/webstatsx
* close button corrected from my last change :/
* added changelog
* Changed README
Update changelog
Merge pull request #10 from BaalMcKloud/master

some new changes :D