v0.8.5, export dialog, header src/cnt work, export fixes, http decoding fixes

  - NOTICE: Requires at least 0.90.1 ES
  - New export dialog that asks for filename and number selection
  - spigraph shows health, decodes tags/ips, has sort by name
  - spigraph/spiview show total counts
  - upgrade to jvectormap 1.2.2 which fixes spigraph issues
  - deal with 113 (SLL) pcap type
  - header search and header cnt search didn't always work
  - ignore case of trailing .pcap when processing a directory
  - fixed bad bug with exporting large files corrupting pcap
  - HTTP file decoding works better
  - On exit ignore http queue limits