started with config servlet
refactored configuration
started fixing tests
fixed tests
plugins have to register configuration options
configuration tab in widget
completely reworked configuration mgnt
validation
refined config tab
fixed property key tooltip width
display available config sources
saving to config sources
tooltips for tabs
save non dynamic config options to persistent config sources
improved tests
Merge pull request #41 from stagemonitor/configuration-servlet

Better configuration management, configuration frontend