Merge pull request #643 from RocketChat/cron

.meteor/packages

.meteor/versions

client/views/admin/adminStatistics.coffee

client/views/admin/adminStatistics.html

i18n/en.i18n.json

packages/rocketchat-lib/package.js

...hat-lib/server/functions/checkUsernameAvailability.coffee

packages/rocketchat-lib/server/functions/setUsername.coffee

...s/rocketchat-lib/server/methods/generateStatistics.coffee

packages/rocketchat-lib/settings/server/startup.coffee

packages/rocketchat-statistics/i18n/en.i18n.json

packages/rocketchat-statistics/lib/rocketchat.coffee

packages/rocketchat-statistics/package-tap.i18n

packages/rocketchat-statistics/package.js

...statistics/server/collections/MapReducedStatistics.coffee

...ocketchat-statistics/server/collections/Statistics.coffee

packages/rocketchat-statistics/server/functions/get.coffee

.../rocketchat-statistics/server/functions/getAverage.coffee

packages/rocketchat-statistics/server/functions/save.coffee

...rocketchat-statistics/server/methods/getStatistics.coffee