updated title and description stuff per Rich
Added Information_Source semantics
cleared up some grammar on info source type suggested practices
Added TOC to suggested practices
Merge pull request #129 from STIXProject/add_toc

Added TOC to suggested practices
update timestamp parse script
add parser for simple-incident
add affected-asset script
minor format change
fix tab
add cve script
add malware-hash script
add c2-indicator script
add industry-sector script
add executable bit
fix odd divergence
add block-coa script
add ip-list script
add incident-malware script
add identity-group script