Attempting to fix arbitrary publish generator to run multiple jobs per core.  There is a bug in the use of offset, but it appears to affect differnt cores differently.

Attempting to add repeated background runs on a single core to allow for better parallel publish tests to the ligol arbitrary publish generator code.

Adding timeless query for a basic url, which will be used in inserting.  This probably doesn't belong on this branch, but will be merged into master.

Converting offset to testing_options dictionary and making first attempt to include a synchronization across multiple jobs.

Adding timeless query for a basic url, which will be used in inserting.  This probably doesn't belong on this branch, but will be merged into master.

Converting offset to testing_options dictionary and making first attempt to include a synchronization across multiple jobs.

(cherry picked from commit 97cf1f057e4e10db8a0e4b866aaa8362cfb6eac6)

Adding insert_history coalescing as only behavior in this commit.  Need to make it an option for future testing.