default to 1 thread, make the user manually specify the number of threads to avoid mpi/thread contention
default to 1 thread, make the user manually specify the number of threads to avoid mpi/thread contention

git-svn-id: e88a1e38e13faf406e05cc89eca8dd613216f6c4@2673 434f946d-2f3d-0410-ba4c-cb9f52fb0dbf

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