add a configurable silent fail for options parsing
 preamble or postamble imply fragment whatsin
perltidy pass
default verbosity is 0; report exact invocation for verb>0
kludge parser should combine a floating script followed by a post script
fix typo for isolated  floatscript followed by another script
Added script parsing testcase
Merge pull request #555 from dginev/record_exact_invocation

default verbosity is 0; report exact invocation for verb>0
Merge pull request #554 from dginev/preamble_postamble_imply_fragment

Preamble or postamble imply fragment whatsin
Merge pull request #553 from dginev/never_pod2usage_with_keyvals

Add a configurable silent fail for options parsing
defined \@auxout (as well as \@mainaux)
fixed sizer option to \@includegraphicx
add (possibly redundant) warning when no image found
use pathname_split to get correct volume/drive
tentative pathname portability fixes