don't provide id in PriceTier services API
remove duplicated "gr" region
remove duplicates from appcache manifest (bug 982690)
do not list manifest as network request in appcache manifest (bug 982690)
temporarily disable appcache
remove network requests from NETWORK in appcache manifest
permanently disable appcache (bug 982690)
skip appcache tests (bug 982690)
update pfs for flash; bug 983047
validate that logo_url scheme is http or https
allow blank logo_url