improved quickstart on website
Fixup java quickstart and add scala quickstart

Some paths in the java quickstart were wrong
Merge remote-tracking branch 'gith_ozone/gh-pages' into new-quickstart

Conflicts:
	quickstart/index.markdown
finished quickstart
new blogpost
better title
Make page title h1
rework contact page
quickstart select page reworked
blogpost into drafts
Added CIKM announcement in Blog/News section
Fix version in Quickstart/Set Up
Added detailed program for Stratosphere Summit 2013
Typo
Merge branch 'gh-pages' of git://github.com/stratosphere/stratosphere into gh-pages
Fixes (#184 #194)