all_tri() refactored to be more general.
all_tri() refactored to be more general.

Gets rid of 2D-specific code in favor of generalized code wherever possible.

Implementing all_tri() for PRISMs.

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