PRINTING POTNI NALOG - TOTAL VALUE

closes #121
Merge branch 'hotfix/racunanje'
FIXED PRINTING OF BILLS, AVANS, ETC... NOW USING CORRECT TAX RATE

closes #122
Merge branch 'hotfix/tisk-racunov'

Tiskanje računov končno upošteva dane davčne stopnje. Recimo, da to dela korektno.