Change admin statistics for admin info.

client/routes/adminRouter.coffee

i18n/en.i18n.json

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

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

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

...ges/rocketchat-statistics/server/models/Statistics.coffee

packages/rocketchat-theme/assets/stylesheets/base.less

packages/rocketchat-ui-admin/admin/admin.html

packages/rocketchat-ui-admin/admin/adminFlex.html

packages/rocketchat-ui-admin/admin/adminInfo.coffee

packages/rocketchat-ui-admin/admin/adminInfo.html

packages/rocketchat-ui-admin/admin/rooms/adminRoomInfo.html

packages/rocketchat-ui-admin/admin/rooms/adminRooms.html

...es/rocketchat-ui-admin/admin/users/adminUserChannels.html

packages/rocketchat-ui-admin/admin/users/adminUserEdit.html

packages/rocketchat-ui-admin/admin/users/adminUsers.html

packages/rocketchat-ui-admin/package.js

packages/rocketchat-ui-sidenav/side-nav/accountBox.coffee