Changed all "E-mail" to "Email"

...ocketchat-authorization/client/views/permissionsRole.html

...settings-mail-messages/server/methods/mailMessages.coffee

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

packages/rocketchat-lib/server/functions/setEmail.js

...es/rocketchat-lib/server/methods/sendSMTPTestEmail.coffee

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

packages/rocketchat-livechat/app/client/views/register.html

packages/rocketchat-livechat/app/i18n/en.i18n.json

...s/rocketchat-livechat/client/views/app/livechatUsers.html

packages/rocketchat-ui-account/account/accountProfile.html

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

packages/rocketchat-ui-flextab/flex-tab/tabs/userEdit.coffee

packages/rocketchat-ui-flextab/flex-tab/tabs/userEdit.html

server/configuration/accounts_meld.coffee

server/lib/accounts.coffee

server/startup/initialData.coffee