Rename project properties. Adjust rpaths for gui and plugins
Adjust copyright
Plugins may have a dependecies. The will we loaded in corrected sequence.
Add Dependencies-Label to the PluginInfo Dialog
A MessageInterface is extracted from the CommInterface class.
PluginManager can send a logMessage with errors.
New Method: longName() in PluginInfo
Plugins are initialized after the mein window is shown. So, the errors during initialization of the plugins are visible now.
Remove warnings about unused variables.