Add "Publish Event"

[nbareil]

API is not official but works fine: see MISP/MISP#1379 (comment)

#! /usr/bin/python

import os
import argparse
import requests

parser = argparse.ArgumentParser()
parser.add_argument("EVENT_ID", help="Event ID", type=int)
args = parser.parse_args()

h = {
    'Authorization': open(os.path.join(os.environ['HOME'], '.misp_api_key')).read().strip(),
    'Content-Type': 'application/json',
    'Accept': 'application/json',
}

r = requests.post('https://misp.dev/events/publish/%d' % (args.EVENT_ID),
        headers=h)
print r