Merge pull request #20 from rothrock/master

Compensate for Markdown interpreter change.
Fix up some posts broken by switching to kramdown which doesn't support backticks for code
Slight layout cleanup, still ugly, but less I suppose
Add weekly open source rollup and my half-baked script to help generate it
Updated with our weekly open source rollup for week 24
I roll up, I roll up, I roll up. Shawty I roll up.

<http://www.youtube.com/watch?v=UhQz-0QVmQ0>
Keep on rollin' baby, you know what time it is.

Do not listen to this <http://www.youtube.com/watch?v=RsXEbqS7cpE>
Add my post on profiling remote JVMs
Forgot my by-line, whoops
Add a post about @ismith and I heading to Yurp
Merge pull request #21 from lookout/jrubyconfeu

Add a post about @ismith and I heading to Yurp
Raw-raw-raw-rawl up da grass

<http://www.youtube.com/watch?v=M5USD-Smthk>
Rool up
roll up and shine

<https://www.youtube.com/watch?v=DRx6l9EcPwU>
Rolllllllllllllll up yo sleeves

<http://www.youtube.com/watch?v=LKeX0DmLSaI>
just roll up and drinnnnnnnnnk

<https://soundcloud.com/hefna-gwap/roll-up-drink>
Add Oraculum blog
rolllllllll

<https://soundcloud.com/deptronic/deptronic-zyme-roll-up-ft-sage-the-gemini>
Add JRubyConf EU slides and the minor related blogpost
prof-reading lol