Add user ID to sphere VTK output

See merge request !38

Multiple blocks per process with createUniformBlockGridFromConfig

See merge request !35

Remove useWorldComm from createBlockForestFromConfig

See merge request !33

Resolves an MPI Abort Error that will reliably happen.

Resolve "BlockForest::saveToFile/loadFromFile not working in single precision"

Closes #20

See merge request !25

Resolve "BufferSystem used in master-slave mode"

Closes #21

See merge request !30

Squirmer VTK output

See merge request !27

Silence conversion warning in quaternion

See merge request !28

Added Cmake options to activate address and undefined behavior sanitizer

See merge request !26

Squirmer

See merge request !20

PE cmake variables no longer exist

See merge request !23