* configcpp refactored
* chore(build): massive removals, auto add files to debian install file
* chore(build): configure before autobake
* chore(build): use custom cmake commands for components, mariadb-plugin-columnstore.install generated
* chore(build): install deps as separate step for build-packages
* more deps
* chore(codemanagement, build): build refactoring stage2
* chore(safety): Locked Map for MessageqCpp with a simpler way
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* chore(codemanagement, ci): better coredumps handling, deps fixed
* Delete build/bootstrap_mcs.py
* Update charset.cpp (add license)
* Introduce multigeneration aggregation
* Do not save unused part of RGDatas to disk
* Add IO error explanation (strerror)
* Reduce memory usage while aggregating
* introduce in-memory generations to better memory utilization
* Try to limit the qty of buckets at a low limit
* Refactor disk aggregation a bit
* pass calculated hash into RowAggregation
* try to keep some RGData with free space in memory
* do not dump more than half of rowgroups to disk if generations are
allowed, instead start a new generation
* for each thread shift the first processed bucket at each iteration,
so the generations start more evenly
* Unify temp data location
* Explicitly create temp subdirectories
whether disk aggregation/join are enabled or not
