Update block.c

Correct a long standing bug - decrease the number of parent blocks when a set of blocks are recombined.

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Update since new C standard introduced a function called beta, which conflicts with one of the variable names.

Update stencil.c

Remove unused array.

Update rcb.c

Make changes so that the "group_blocks" option does what it says.  The previous code tried to do something a little different from that and was incorrect in its implementation.

Update sfc.c

Get rid of an extra "}" that got left in when the file was edited.

Update main.c

We corrected passing a double as an integer.

Add Space Filling Curve

Add Space Filling Curve as a load balance option and clean up some of the other files removing typos and removing more references to deleted code.

Update profile.c

Fix a typo.

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A couple of small corrections and add more output to the reports.

Update profile.c

Increment version number to reflect changes.