Wim c4b75e5754 Download files from slack and reupload to mattermost (slack/mattermost). Closes #255 ... Refactor message.Extra to a map[string][]interface{} to have a bit more flexibility for stuffing extra stuff. For attached files from slack, files < 1MB size get downloaded (in memory), and get put into Extra["file"][]config.FileInfo (containing a pointer to the buffer and the filename). This is not async so slack channels with lots of attached files may suffer a slowdown. (the download timeout is set at 5 seconds).		2017-09-21 22:35:21 +02:00
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slack.go	Download files from slack and reupload to mattermost (slack/mattermost). Closes #255	2017-09-21 22:35:21 +02:00