Bug 8015: (follow-up) fix various issues (squashed patch)

Bug 8015: (follow-up) fix various issues (squashed patch)

Bug 8015: Fix template capitalization amd other template issues

Signed-off-by: Leila <koha.aixmarseille@gmail.com>
Bug 8015: Fix error where field object is returned instead of field value for fields without subfields

Signed-off-by: Leila <koha.aixmarseille@gmail.com>
Bug 8015: Fix bad ordering on function parameters

Signed-off-by: Leila <koha.aixmarseille@gmail.com>
Bug 8015: Escape escape characters for strings

Signed-off-by: Leila <koha.aixmarseille@gmail.com>
Bug 8015: Fix bad parameter list for direct external call to update_field

Signed-off-by: Leila <koha.aixmarseille@gmail.com>
Bug 8015: Fix problem with moving existing subfield value to nonexistent field/subfield

Signed-off-by: Leila <koha.aixmarseille@gmail.com>
Bug 8015: FIX QA issues

This patch fixes some stuffs failing qa tests: POD, indentation (tabs),
perlcritic

Signed-off-by: Galen Charlton <gmc@esilibrary.com>