Adding a .mailmap file to the top level of the repo
Adding a .mailmap file to the top level of the repo

This file helps avoid duplicate/redundant entries in the output of
'git shortlog -s'

balborian/libmesh,jwpeterson/libmesh,giorgiobornia/libmesh,roystgnr/libmesh,coreymbryant/libmesh,Mbewu/libmesh,dschwen/libmesh,dschwen/libmesh,friedmud/libmesh,giorgiobornia/libmesh,Mbewu/libmesh,BalticPinguin/libmesh,jwpeterson/libmesh,libMesh/libmesh,roystgnr/libmesh,benkirk/libmesh,roystgnr/libmesh,salazardetroya/libmesh,roystgnr/libmesh,karpeev/libmesh,aeslaughter/libmesh,karpeev/libmesh,svallaghe/libmesh,cahaynes/libmesh,hrittich/libmesh,coreymbryant/libmesh,balborian/libmesh,Mbewu/libmesh,dschwen/libmesh,capitalaslash/libmesh,libMesh/libmesh,balborian/libmesh,dschwen/libmesh,dknez/libmesh,90jrong/libmesh,BalticPinguin/libmesh,vikramvgarg/libmesh,dschwen/libmesh,aeslaughter/libmesh,Mbewu/libmesh,libMesh/libmesh,svallaghe/libmesh,90jrong/libmesh,jiangwen84/libmesh,dmcdougall/libmesh,pbauman/libmesh,dmcdougall/libmesh,svallaghe/libmesh,svallaghe/libmesh,dknez/libmesh,dschwen/libmesh,balborian/libmesh,pbauman/libmesh,dmcdougall/libmesh,Mbewu/libmesh,libMesh/libmesh,aeslaughter/libmesh,vikramvgarg/libmesh,Mbewu/libmesh,90jrong/libmesh,dknez/libmesh,friedmud/libmesh,giorgiobornia/libmesh,vikramvgarg/libmesh,hrittich/libmesh,jwpeterson/libmesh,coreymbryant/libmesh,cahaynes/libmesh,pbauman/libmesh,dknez/libmesh,coreymbryant/libmesh,dschwen/libmesh,svallaghe/libmesh,friedmud/libmesh,hrittich/libmesh,hrittich/libmesh,giorgiobornia/libmesh,libMesh/libmesh,coreymbryant/libmesh,vikramvgarg/libmesh,benkirk/libmesh,dmcdougall/libmesh,salazardetroya/libmesh,roystgnr/libmesh,coreymbryant/libmesh,capitalaslash/libmesh,dknez/libmesh,vikramvgarg/libmesh,jwpeterson/libmesh,cahaynes/libmesh,aeslaughter/libmesh,hrittich/libmesh,karpeev/libmesh,benkirk/libmesh,balborian/libmesh,giorgiobornia/libmesh,cahaynes/libmesh,jiangwen84/libmesh,karpeev/libmesh,balborian/libmesh,permcody/libmesh,libMesh/libmesh,giorgiobornia/libmesh,cahaynes/libmesh,Mbewu/libmesh,giorgiobornia/libmesh,aeslaughter/libmesh,dknez/libmesh,BalticPinguin/libmesh,vikramvgarg/libmesh,friedmud/libmesh,benkirk/libmesh,aeslaughter/libmesh,permcody/libmesh,cahaynes/libmesh,capitalaslash/libmesh,hrittich/libmesh,svallaghe/libmesh,friedmud/libmesh,pbauman/libmesh,90jrong/libmesh,cahaynes/libmesh,Mbewu/libmesh,libMesh/libmesh,90jrong/libmesh,benkirk/libmesh,vikramvgarg/libmesh,aeslaughter/libmesh,pbauman/libmesh,benkirk/libmesh,dmcdougall/libmesh,libMesh/libmesh,permcody/libmesh,90jrong/libmesh,permcody/libmesh,permcody/libmesh,jwpeterson/libmesh,coreymbryant/libmesh,friedmud/libmesh,hrittich/libmesh,aeslaughter/libmesh,BalticPinguin/libmesh,BalticPinguin/libmesh,roystgnr/libmesh,giorgiobornia/libmesh,roystgnr/libmesh,karpeev/libmesh,balborian/libmesh,friedmud/libmesh,capitalaslash/libmesh,svallaghe/libmesh,svallaghe/libmesh,salazardetroya/libmesh,friedmud/libmesh,vikramvgarg/libmesh,hrittich/libmesh,jwpeterson/libmesh,capitalaslash/libmesh,90jrong/libmesh,dmcdougall/libmesh,salazardetroya/libmesh,coreymbryant/libmesh,capitalaslash/libmesh,salazardetroya/libmesh,balborian/libmesh,karpeev/libmesh,90jrong/libmesh,dmcdougall/libmesh,benkirk/libmesh,giorgiobornia/libmesh,pbauman/libmesh,dmcdougall/libmesh,cahaynes/libmesh,salazardetroya/libmesh,balborian/libmesh,pbauman/libmesh,dknez/libmesh,BalticPinguin/libmesh,roystgnr/libmesh,capitalaslash/libmesh,benkirk/libmesh,permcody/libmesh,permcody/libmesh,permcody/libmesh,jiangwen84/libmesh,svallaghe/libmesh,jiangwen84/libmesh,capitalaslash/libmesh,karpeev/libmesh,benkirk/libmesh,BalticPinguin/libmesh,jiangwen84/libmesh,dschwen/libmesh,pbauman/libmesh,vikramvgarg/libmesh,aeslaughter/libmesh,jiangwen84/libmesh,karpeev/libmesh,jiangwen84/libmesh,jwpeterson/libmesh,friedmud/libmesh,salazardetroya/libmesh,jwpeterson/libmesh,jiangwen84/libmesh,dknez/libmesh,salazardetroya/libmesh,BalticPinguin/libmesh,pbauman/libmesh,90jrong/libmesh,Mbewu/libmesh,balborian/libmesh,hrittich/libmesh