begin refactor into new layout
include prose writeup
add small note on indicator v. incident
minor prose change
activate links
fix closing tag
fix TTP relationship issue
format in site css
rewrite in a more level headed style
add pictures
merge from site_reorg while keeping walkthru link active
add condition
merge master
minor-edits
instruction change
Merge pull request #110 from STIXProject/add-analyst-exercise

Add analyst exercise