Merge branch 'bug2505_patches' of git://git.catalyst.net.nz/koha into to-push
* 'bug2505_patches' of git://git.catalyst.net.nz/koha: (24 commits)
Bug 2505 - use strict and warnings in sax_parser_test
Bug 2505 - enable warnings for link_bibs_to_authorities
Bug 2505 - add strict and warnings to perlmodule_ls
Bug 2505 - add strict and warnings to check_sysprefs
Bug 2505 - Add commented use warnings where missing in *.t
Bug 2505 - Add commented use warnings where missing in *.pm
Bug 2505 - Add commented use warnings where missing in the cataloguing/ directory
Bug 2505 - Add commented use warnings where missing in the misc/ directory
Bug 2505 - Add commented use warnings where missing in the tools/ directory
Bug 2505 - Add commented use warnings where missing in the installer/ directory
Bug 2505 - Add commented use warnings where missing in the rotating_collections/ directory
Bug 2505 - Add commented use warnings where missing in the C4/ directory
Bug 2505 - Add commented use warnings where missing in the serials/ directory
Bug 2505 - Add commented use warnings where missing in the catalogue/ directory
Bug 2505 - Add commented use warnings where missing in the sms/ directory
Bug 2505 - Add commented use warnings where missing in the opac/ directory
Bug 2505 - Add commented use warnings where missing in the virtualshelves/ directory
Bug 2505 - Add commented use warnings where missing in the suggestion/ directory
Bug 2505 - Add commented use warnings where missing in the admin/ directory
Bug 2505 - Add commented use warnings where missing in the circ/ directory
...