Created BillReader class
Created tokenizeBillText method
Changed BillReader class to BillAnalyzer
Added bill qr image example to the project's resources
Changed the image in the qr fragment with the new bill qr image
Removed pattern from BillAnalyzer class
Updated tokenize method into a simpler one
Updated bill's constructors
Added getters and setters of the new attributes
Fixed some constructor method issues
Renamed a variable
Created createManualBill method
Created createElectronicBill method
Created parseBill method
Merge remote-tracking branch 'origin/master' into RecognizeBillType
Merge pull request #6 from AllanLeon/RecognizeBillType

Merged recognize bill type branch