init
Tiny manifest changes
Created model package. Added Stone and Order class
Updated class names
Added custom views and changed dummy data class
Implemented Order, Stone, Product, ProductListener, and Task. Added
basic fields onto every class. 

Product, ProductListener and Task should have its major methods fully
implemented.
Added contract for database
Added TaskListener. setTaskStaus in products doesn't exist anymore, use
task.setStatus() instead.
Removed order details
Renamed TaskChanged to changed. Removed some unnecessary fields in
Product
Added equals to task
Created Database Helper for the creation of the database
Added customer object
Added interface for orderlisteners.
Created and implemented order object.
Merge branch 'dev-model' of github.com:Farenheight/Lidkoping-SH into dev-model
Updated TestProduct
Added equals in Task
Merge remote-tracking branch 'origin/dev-model' into dev-model
Changed name of OrderOpenHelper to OrderDBHelper