fixed regression in EquationSystems::read() which tried to read .bz2 files instead of their unzipped ASCII counterpart.
fixed regression in EquationSystems::read() which tried to read .bz2 files instead of their unzipped ASCII counterpart.

git-svn-id: ffc1bc5b3feaf8644044862cc38c386ade156493@2630 434f946d-2f3d-0410-ba4c-cb9f52fb0dbf

certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh