Avoid false positive SLEPc detection

If we seem to have SLEPc, but there's some reason we can't scarf build
configuration from SLEPc, then we really don't have SLEPc.

I got caught by this when trying a new PETSC_ARCH for which I hadn't
yet built SLEPc.
add another directory to gitignore
rbOOmit change: Updates to enable discrete parameters. Compiles, needs testing.
rbOOmit change: cleaned up input file in reduced_basis_ex4
rbOOmit change: Change method argument to const
rbOOmit change: Cleaned up parameter initialization in rb_scm_construction.C. Also removed -mat_new_nonzero_allocation_err false from some of the examples.
rbOOmit change: Updates to enable discrete parameters. Compiles, needs testing.
rbOOmit change: cleaned up input file in reduced_basis_ex4
rbOOmit change, put changes into master branch
do not put trailing whitespace in our automatically generated Makefile.am...
Force C++ mode when detabbing.
If there are no lines to indent, don't run emacs.
Fixing tabs in indentation that already crept back in.
Rerunning contrib/bin/reindent.sh on src and header files.
Suppress output from emacs when indenting.
Enums are no longer in libMeshEnums namespace.
Removing tab characters and reindenting example src/header files.
Removing tab characters and reindenting test src/header files.
Adding Pyramid13 element.
Updating Makefile.am's