Add 1Byte H5Part support

initalize centers_ to valid state in FocusedOctree

round up GPU buffers to page size
add device sync after device realloc for ROCm 5.x
compute ns stack size based on maxNumActiveBlocks
make host-particlesdata allocation behave like the gpu version

Move groups into separate compilation unit
launch constant grid sizes for SPH kernels

allow nullptr groupDt in momentum_energy
store groupDt in bdt prop
compute minGroupDt
find minDt by sorting groupDt
added missing sqrt in acc timestep
convert turbulence prop to block-dt scheme
compute number of rungs and rung boundaries
implemented extractGroup
added butterfly pattern
changed tsRung to activeRung
added rung counters to ve-bdt prop
added activeGroups
allow positionUpdate to back-propagate
added driftPositions
converted integrator to group indexing
converted updateSmoothingLength to group indexing
rename driftPositions to driftPositionsGpu
print diagnostic info
Add rung field to bdt prop
create groups for all rungs
store particle rungs before domain sync
added rungs to integrator
add rungs to driftPositions and fix compilation
initialize timesteps in ve-bdt prop
activate rungs in integrator
activate force-groups
fix rungRanges grouping
change numRungs convention
only output observables when all rungs are synced
made energyUpdate time reversible
added u and temp to drift kernel
fix file output for rho,p,curlv
load/store block timestep
prevent file output when rungs are not in sync
update c.o.m on partial sync
guard against empty groups
replicate rungs in file init with particle splitting
restore dt_m1 when splitting particles
limit maxDtIncrease and set rungs to zero after splitting
add turbulence prop without block-ts
store rung groups as views
rename forceGroups to time sorted groups
update group time steps of active rungs
ts renaming
rearranged ts/rung/group files
pass time steps for all rungs to drift and integrate
remove init/restoration of prevTimestep
prepare Timestep for variable length substeps
removed references to dt * 2^rung
eliminate bk variable
renamed minDt to nextDt
limit each substep to the global particle limit
add substep groupDt sort
store rungs at each substep
allow groups to change rungs
update sliced views only once
simplify rung updates
reuse global minDt function
reuse findRungRanges
fix init dt in file split init
add safetySteps after splitting

only update h for active rungs

warp-coalesced computePositionsKernel
warp-coalesced driftPositionsKernel
warp-coalesced stirring kernel
warp-coalesced store rung kernel