Revert "Switch to PDF loading via non sequential parser"

This reverts commit 4f5b4b118bb6bb48e53c99402a793ac28850f31a.

Conflicts:
	src/main/scala/com/ediweissmann/util/PdfUtil.scala
	src/test/scala/com/ediweissmann/pdf2html/pdfbox/OPFFileWriterTest.scala
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Revert "Revert "Switch to PDF loading via non sequential parser""

This reverts commit e48b0786e40470dcee1db180a9c71fd9a71c992e.
Bump version