Fixed missing return
Fixed geo sampling
Added missing prototype
Fixed geo

* Indicate itc geo pred in itc not in bounding box
* Always fill in prec
* Corrected sampling
Partial fix for unsupported scalar exp type during SPRAQL generation
Fixed compiler warning
Added misssing prototype
Fixed init po in geo sample
Fixed adding up non chash gby, read aggregates and add up
Fixed return card with w p stat 2 and inx only
Fixed message
Fixed check for rdf_quad in geo
Fixed safety margin in mem limit
Fixed cost based optimizer

* Do not consider leading text if keyparts before text id are eq
  with non-constant
Fixed text card misrepresentaion
Fixed agg inside exp in cond exp; look inside exp not just top level
Fixed optimizer can make constant call, thus date will appear in tree
Added support for int vector agg
Added check if item im pool
Added some col lock tracing