Add 'what was delivered in icehouse' slides

Created slides for 'what was delivered in icehouse'.
Broken down into three parts, 1) API overview, 2) Mapping, 3)
Authenticating.
Merge pull request #2 from stevemart/add_os_federation_slides

Add os federation slides
outline
Merge pull request #3 from joesavak/master

outline
icehouse
Merge pull request #4 from joesavak/master

icehouse
icehouse
Merge pull request #5 from joesavak/master

icehouse
Merge pull request #1 from RackerWilliams/master

rebase
adding steve slides
Merge pull request #6 from joesavak/master

adding steve slides
Fix merge conflict