bug 2799: followup

Various fixes to meet coding standards, template
design, and basic functionality:

* (bug 2505) turned on warnings
* use correct loop names when populating
  $template
* put all TMPL_FOO in HTML comments
* assign UseBranchTransferLimits to circulation tab
* change template to use "library" instead of "branch"
* use standard YUI scripting for toolbar buttons
* add new script to admin menu

Signed-off-by: Galen Charlton <galen.charlton@liblime.com>