Staging

    - added firsttime/lasttime filters to API
    - added forking to psqi api, faster data processing of new observables, https://github.com/csirtgadgets/massive-octo-spice/commit/d804c09e87c12a6105d37be9b08d91d850b4bdf5
    - added cif-worker queue for handing dns/url resolution, https://github.com/csirtgadgets/massive-octo-spice/pull/62
    - misc bugfixes to elasticsearch template
    - added try/catch to fetcher, https://github.com/csirtgadgets/massive-octo-spice/pull/60/files
    - added new feed sources, https://github.com/csirtgadgets/massive-octo-spice/pull/57
    - fixed #56, added HTML table parser, XML parser
    - various cif-smrt bugfixes