Bug 926166: disable aes-gcm ciphers as default. r=bsmith.
Bug 925962 - Add missing isValid() check.
Backed out changeset f327334172ab. Bad bug number in comment.  926116(good) vs 926166(bad)
Bug 926116 : AES-GCM ciphers now disabled by default. r=bsmith
Bug 923836 - Set aside the first 3 reserved slots of global objects for application use. r=Waldo.

--HG--
extra : rebase_source : 027d8ed582b276845ff49c19b867d82b058542e1