Bug 16438: Use Font Awesome icons in batch templates

Bug 16438: Use Font Awesome icons in batch templates

Add Font Awesome icons in tables in authorities and bib records
in batch item/record deletion, modification templates

To test:
1- Go to Tools > Batch item/record deletion/modification
2- Try to delete/modify itmes/bib and authorities records
3- Look all tables presented and notice about the new icons in Select all
   Clear all, etc.
4- Apply patch and repeat step 1 to 3

Signed-off-by: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
Work, nice view.
No Errors

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Brendan Gallagher <bredan@bywatersolutions.com>