start editing storage inteface according with new problem analysis
insert() now returns id of new row
insert missions store function
fix store command and reply according with new interface
update database tables reference
imported and fixed unimplemented methods plus new datasensors get and store functions
we do not need mission_id in replies table
added implementation for generic mission
extracted interface for Mission
added setter and getter for sensors data in mission
added getMission function to interface
implemented getMission