Merge pull request #6 from maurerit/master

Profit Chart not obeying configs
Better Configurability

DB schema for configuration
PHP functions to manipulate and retrieve individual configuration
settings
Moved EVE API statistics to Statistics panel
Northbound API

Northbound API - inital commit
Northbound API

changed http error 424 to bad request - 400
Northbound API

Northbound API is now configurable in "Settings"
Sell has nothing to join on if nothing bought
Changed the join type so that if nothing was bought then the sells show up in the summary as they should.