increased granularity of performance logging, fixed a bug in DofMap::add_neighbors_to_send_list() which caused the _send_list to become excessively large.  Further, this slowed the DofMap::sort_send_list() method considerably.
increased granularity of performance logging, fixed a bug in DofMap::add_neighbors_to_send_list() which caused the _send_list to become excessively large.  Further, this slowed the DofMap::sort_send_list() method considerably.


git-svn-id: ffc1bc5b3feaf8644044862cc38c386ade156493@2044 434f946d-2f3d-0410-ba4c-cb9f52fb0dbf

certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh