Merge pull request #495 from RocketChat/settings-keep-history

client/lib/chatMessages.coffee

client/methods/updateMessage.coffee

client/stylesheets/base.less

client/views/app/message.coffee

client/views/app/message.html

client/views/main.coffee

client/views/settings/settings.coffee

i18n/de.i18n.json

i18n/el.i18n.json

i18n/en.i18n.json

i18n/fi.i18n.json

i18n/hr.i18n.json

i18n/pl.i18n.json

packages/rocketchat-external/app/client/views/message.coffee

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

server/methods/deleteMessage.coffee

server/methods/loadHistory.coffee

server/methods/updateMessage.coffee

server/publications/messages.coffee

server/restapi/restapi.coffee