updated color in xml files, now works with api 23 (was invisible)

updated whatsitfor explanation

added load configuration + checks for saving a config

implemented database save + created load config screen

implemented listview which shows results from server

custom requests are now implemented + fragment added + task can add items to list, method has to be implemented

refactored + implemented rest call decently

added getfielddata in fragment + fixed implementation

app now sends correct request & deserializes box setup (gson)

added activities + refactored contact server task

implemented fragments + refactor + revised calculation flow

refactored + implemented fragment

added rest client, can check if server is online (dirty coding)

added localization of Strings

update main xml + added listeners + added alertdialog whatsitfor