Package plugins manages the plug-in componenets of the Documize system.
Lib holds a pointer to the global glick Library for the Documize app.
var PluginFile = "DB" // this points to the database
PluginFile is the path to the file containing the configuration information for the plugin system in JSON format.
Setup configures the global library at Lib, largely based on the "config.json" file. It should be called only once.