changed default values to be more physical and added a warning.
changed default values to be more physical and added a warning.

libMesh/libmesh,giorgiobornia/libmesh,friedmud/libmesh,balborian/libmesh,roystgnr/libmesh,balborian/libmesh,friedmud/libmesh,benkirk/libmesh,vikramvgarg/libmesh,libMesh/libmesh,svallaghe/libmesh,friedmud/libmesh,libMesh/libmesh,jwpeterson/libmesh,capitalaslash/libmesh,giorgiobornia/libmesh,svallaghe/libmesh,svallaghe/libmesh,90jrong/libmesh,pbauman/libmesh,BalticPinguin/libmesh,balborian/libmesh,coreymbryant/libmesh,hrittich/libmesh,dschwen/libmesh,giorgiobornia/libmesh,aeslaughter/libmesh,aeslaughter/libmesh,coreymbryant/libmesh,libMesh/libmesh,coreymbryant/libmesh,benkirk/libmesh,aeslaughter/libmesh,pbauman/libmesh,90jrong/libmesh,jwpeterson/libmesh,hrittich/libmesh,pbauman/libmesh,svallaghe/libmesh,coreymbryant/libmesh,BalticPinguin/libmesh,aeslaughter/libmesh,aeslaughter/libmesh,pbauman/libmesh,vikramvgarg/libmesh,giorgiobornia/libmesh,dschwen/libmesh,90jrong/libmesh,coreymbryant/libmesh,jwpeterson/libmesh,giorgiobornia/libmesh,balborian/libmesh,friedmud/libmesh,benkirk/libmesh,pbauman/libmesh,dschwen/libmesh,dschwen/libmesh,friedmud/libmesh,90jrong/libmesh,aeslaughter/libmesh,jwpeterson/libmesh,vikramvgarg/libmesh,svallaghe/libmesh,friedmud/libmesh,aeslaughter/libmesh,capitalaslash/libmesh,libMesh/libmesh,friedmud/libmesh,jwpeterson/libmesh,BalticPinguin/libmesh,balborian/libmesh,dschwen/libmesh,friedmud/libmesh,giorgiobornia/libmesh,vikramvgarg/libmesh,pbauman/libmesh,pbauman/libmesh,BalticPinguin/libmesh,90jrong/libmesh,capitalaslash/libmesh,balborian/libmesh,BalticPinguin/libmesh,pbauman/libmesh,balborian/libmesh,svallaghe/libmesh,capitalaslash/libmesh,capitalaslash/libmesh,capitalaslash/libmesh,coreymbryant/libmesh,90jrong/libmesh,vikramvgarg/libmesh,hrittich/libmesh,BalticPinguin/libmesh,giorgiobornia/libmesh,hrittich/libmesh,balborian/libmesh,benkirk/libmesh,libMesh/libmesh,benkirk/libmesh,roystgnr/libmesh,libMesh/libmesh,libMesh/libmesh,jwpeterson/libmesh,vikramvgarg/libmesh,hrittich/libmesh,hrittich/libmesh,pbauman/libmesh,vikramvgarg/libmesh,jwpeterson/libmesh,benkirk/libmesh,balborian/libmesh,svallaghe/libmesh,coreymbryant/libmesh,90jrong/libmesh,svallaghe/libmesh,roystgnr/libmesh,jwpeterson/libmesh,vikramvgarg/libmesh,roystgnr/libmesh,hrittich/libmesh,friedmud/libmesh,capitalaslash/libmesh,vikramvgarg/libmesh,BalticPinguin/libmesh,BalticPinguin/libmesh,90jrong/libmesh,roystgnr/libmesh,90jrong/libmesh,dschwen/libmesh,aeslaughter/libmesh,roystgnr/libmesh,benkirk/libmesh,giorgiobornia/libmesh,dschwen/libmesh,capitalaslash/libmesh,benkirk/libmesh,hrittich/libmesh,giorgiobornia/libmesh,dschwen/libmesh,benkirk/libmesh,aeslaughter/libmesh,hrittich/libmesh,roystgnr/libmesh,svallaghe/libmesh,roystgnr/libmesh,balborian/libmesh,coreymbryant/libmesh