Added a white line
General refactor of company class
General refactor of taxpayer class
Renamed DecodeQRCode to QRDecoder
General refactor of ExportBill class
General refactor of RegisterFragment class
Added a white line
General refactor of TableAlertDialog class
Added documentation to TablePromptRunnable class
Changed attributes order
solved bill table amount problem
Updated cleanTable method
Solved export bill problem'
Solved edit text problems
Merge pull request #16 from AllanLeon/CodeRefactor1

Merged code refactor1 branch