cache ownership range
split dof_indices into two functions to keep from wasting time looping over all vars when just trying to get the indices for one
remove outdated assert
add tot_size checking back in to dof_indices calls
Merge pull request #198 from friedmud/assembly_opt_pr

Assembly Optimizations
"make upload" check for unset LIBMESH_SVN_USER

This way there won't be anyone else who gets confused when "make
upload" fails to accept any passwords.  I mean, not that anyone got
confused before.  I'm asking for a friend.