Add SKIP and LIMIT to the QueryGraph
Make Ronja plan SKIP and LIMIT together with ORDER BY
Don't assume order in Cypher result of Meal docstest.
Catch any exception coming out of trying to sample this value. If it fails it's ok. No worries. Better luck next time, and all that.
Add Cost and Cardinality for SORT, SKIP and LIMIT
Add new pipes

o Add LimitPipe, SkipPipe and a new SortPipe
o Rename the old SortPipe to LegacySortPipe
Let projection be done before sorting

When sorting, a row needs to be compared with other
rows quickly and multiple times. To facilitate this,
force projection to happen, so sorting doesn't have
to execute an expression for every comparison.
Use default keep-logical-logs (7days)
Merge pull request #2324 from systay/ronja-slice

SKIP and LIMIT for Ronja
Tagging for version 2.1.0-M02
Back to development version.
not finished
Work in progress for normalizing the formulas [Broken]