Generates a thumbnail from a pdf, now

Generates a thumbnail from a pdf, now, provided that ImageMagick, the php extension imagick, and Ghostscript are installed properly.

there was a missing '='

code cleaning

Updated plugin settings and readme

Will only update thumbnail files, when the original file has another modification date.

Configuration option 'link_to_media_file' added.

Configurable thumbnail path, configurable error message.

The path to look for thumbnails is now configurable, and in case no thumbnail could be found, an error message is displayed instead (configur

Configurable thumbnail path, configurable error message.

The path to look for thumbnails is now configurable, and in case no thumbnail could be found, an error message is displayed instead (configurable).

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nicer $data parsing

Streamlined code, renamed some variables

Thumbnail width is now configurable via key 'thumb_width'

Will output alternative title, now (filename)

typo

Click on the thumbnail will load the file from media manager

Removed debug info

Initial commit

Initial commit