Remove m_cell_global_index from Connectivity

• now this information is computed when needed (load balance)
• closes #11 (closed)

enabled an automatic merge when all merge checks for c332cbfa pass

aborted the automatic merge because the source branch was updated. Learn more.

added 1 commit

• 1136f061 - Fix serial "load balancer"

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enabled an automatic merge when all merge checks for 1136f061 pass

merged

mentioned in commit 652c63d5