- Serialization completely implemeted!
- Fixed table cell rendering of decimal numbers
- Fixed a bug that would prevent the addition of item types to an empty
recycling machine
- Added methods to calculate the statistics
- Removed unused libraries
- Added controls for the statistics: date, machines selection...
- Resized the statictics image to make room for the controllers
- change in the way graphics are generated
- changed getLastDateEmptied method in RMOS
- changing currentTransaction property to public
- fixed the bug for displaying previous transactions
- updating total amount of an unfinished transaction in the UI
+ fix the coupon image bug
+ fix the unit image bug
+ simplified the model removing duplicate variables in RCM and USERUI
+ import the RCMUI transactions improvements from ankit
+ fix the unit image
+ fix the total amount bug
+ display money or coupons final message
+ fix the activate bug
Merge branch 'Statistics'
+ added getWeightOfMachine
+ finished filtering the statistics by time
Wraping up

- java docs creation
- final method definition for the UI statistics
Merge branch 'Statistics'