added thinkstock images to splashpage
added thinkstock images to 1_casestudies
added ts images to 1-1
added ts images to 1-2
updated ts images and video in 1-3
added ts images to 1-4
added ts images to 1-2a
added ts images to 1-2b
Merge branch 'master' of https://github.com/ncweiler/KSMResilience