add overloaded operator for std::string
add overloaded operator for std::string

git-svn-id: e88a1e38e13faf406e05cc89eca8dd613216f6c4@3558 434f946d-2f3d-0410-ba4c-cb9f52fb0dbf

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