Regenerate gemspec for version 0.8.6
Regenerate gemspec for version 0.8.6

mabras/devise-i18n,humancopy/devise-i18n,mhlopko/devise-i18n,nikolai-b/devise-i18n,deivid-rodriguez/devise-i18n,tigrish/devise-i18n,jyrkij/devise-i18n,tigrish/devise-i18n