Suggest dashes in --implicit-neighbor-dofs 0
Suggest dashes in --implicit-neighbor-dofs 0

The on_command_line and command_line_next changes will still support
the old underscore option, but dashes are more consistent with our
other command line options.

roystgnr/libmesh,dschwen/libmesh,90jrong/libmesh,dschwen/libmesh,jwpeterson/libmesh,jwpeterson/libmesh,giorgiobornia/libmesh,pbauman/libmesh,giorgiobornia/libmesh,jwpeterson/libmesh,90jrong/libmesh,pbauman/libmesh,BalticPinguin/libmesh,libMesh/libmesh,dschwen/libmesh,hrittich/libmesh,dschwen/libmesh,giorgiobornia/libmesh,giorgiobornia/libmesh,jwpeterson/libmesh,hrittich/libmesh,roystgnr/libmesh,pbauman/libmesh,jwpeterson/libmesh,dschwen/libmesh,pbauman/libmesh,roystgnr/libmesh,BalticPinguin/libmesh,hrittich/libmesh,capitalaslash/libmesh,hrittich/libmesh,giorgiobornia/libmesh,BalticPinguin/libmesh,giorgiobornia/libmesh,90jrong/libmesh,pbauman/libmesh,roystgnr/libmesh,giorgiobornia/libmesh,roystgnr/libmesh,90jrong/libmesh,BalticPinguin/libmesh,dschwen/libmesh,giorgiobornia/libmesh,pbauman/libmesh,jwpeterson/libmesh,capitalaslash/libmesh,BalticPinguin/libmesh,90jrong/libmesh,roystgnr/libmesh,capitalaslash/libmesh,90jrong/libmesh,BalticPinguin/libmesh,hrittich/libmesh,hrittich/libmesh,BalticPinguin/libmesh,libMesh/libmesh,hrittich/libmesh,dschwen/libmesh,libMesh/libmesh,pbauman/libmesh,roystgnr/libmesh,dschwen/libmesh,libMesh/libmesh,90jrong/libmesh,jwpeterson/libmesh,hrittich/libmesh,pbauman/libmesh,capitalaslash/libmesh,libMesh/libmesh,BalticPinguin/libmesh,capitalaslash/libmesh,jwpeterson/libmesh,giorgiobornia/libmesh,libMesh/libmesh,capitalaslash/libmesh,roystgnr/libmesh,pbauman/libmesh,90jrong/libmesh,hrittich/libmesh,capitalaslash/libmesh,capitalaslash/libmesh,90jrong/libmesh,libMesh/libmesh,libMesh/libmesh