Add OrbsCCG to list of sites
eliminate some n+1 queries on categories#show
eliminate some n+1 queries on forums#index & #show
eliminate some n+1 queries on topics#show
add cache_counter for Forum#topics_count
add cache_counter for Forum#topics_approved_count
add cache_counter for Topic#posts_count
add cache_counter for Forum#posts_count
add cache_counter for Forum#posts_approved_count
use 1.8 style :hash::rocket:s