add build status image of forked repository
add build status image of forked repository

hummer2k/AssetManager,wshafer/AssetManager,pensiero/AssetManager,pensiero/AssetManager,wshafer/AssetManager,hummer2k/AssetManager,RWOverdijk/AssetManager,chaos0815/AssetManager,chaos0815/AssetManager,RWOverdijk/AssetManager