Functions can now implement ResultTypeQueryable to supply TypeInformation manually.
Extend Delta iteration parameters
Rework Spargel
Add Broadcast variabel support to spargel
Add translation tests for delta iterations
Add translation tests for spargel
Add spargel compiler test.
Fix restrictions with branches in broadcast variables and iteration closures
Removed console.log
Changed Layout
Merge branch 'master' of https://github.com/stratosphere/stratosphere into webclient
Added support for nodes that are not drawn