Add files from https://github.com/intranda/goobi-plugin-opac-pica
Move plugin into package org.goobi.production.plugin.opac
Change configuration
Using operating system independent file separator
Removing PluginInfo CLI application and dummy plugins.txt (dead code)
Create “plugins” directory structure, add PicaOpacImport plugin jar,
update description
Merge pull request #18 from matthias-ronge/import-pica-plugin

Import pica plugin