fix: warning when using exportAsAttachedFile() with CodeIgniter + updated versions

Signed-off-by: Stephen L. <lrq3000@gmail.com>
fix: local-aware issues for width and height (eg: 12,10 -> 12.10)

Signed-off-by: Stephen L. <lrq3000@gmail.com>
add: ODT to PDF using JODConverter and OpenOffice/LibreOffice

Signed-off-by: Stephen L. <lrq3000@gmail.com>