In batch, add FileName in header of toc[].plist

[libreliodev]

This is related to #58. We also need to add FileName to Header.

cc @serverfire

[libreliodev]

This is needed for #49.

[AlirezaAlgo]

@libreliodev Done

[libreliodev]

@serverfire Sorry if this was not clear, the FileName we need is as usual the one of the pdf file, not the toc. In the example below, the correct Filename would be /dph/dph-2015-999_20150223/dph-2015-999_20150223_.pdf

[AlirezaAlgo]

@libreliodev What if pdf file is not available?

[libreliodev]

@serverfire PDF file should always be available

[AlirezaAlgo]

@libreliodev There's cases that pdf file is not exist.

[AlirezaAlgo]

@libreliodev Fixed

[libreliodev]

@serverfire

The FileName does not match the pdf name (final _ is missing)

[AlirezaAlgo]

@libreliodev Fixed