Update chefconf_2013_slides.md
Merge pull request #60 from fnichol/patch-1

Add Test Kitchen slides
add prezi presentation
add IBM talk
Add list of all talks
Add twitter lists
Add video link to ancestry.com talk
add Razor talk
Lots more slides
More published slides
Add Hadoop talk
add link to jvm slides
fix link
Add Andrew Gross's talk
Adding more youtube videos

* Building and Managing Hadoob
* A Storage Story
* Beginning Chef Antipatterns
* Automating secure server baselines with Chef
* Bootable DevOps on USB
* Application Automation Patterns
Adding more youtube videos

* Hadoop
* Cross-cloud deployment
* DevOps Distilled
* Cooking on Windows
Add video link for Omnibus talk
Merge pull request #62 from christophermaier/omnibus_talk

Add video link for Omnibus talk
more videos

* BK Box
* Andrew Gross
more videos

* Joan Touzet
* Trotter Cashion