Merge pull request #109 from simoendem/pSp

import validation & excel format
add basic functionality of account management
Merge pull request #111 from bhimasta/bimo.account

add basic functionality of account management
fix colspan on table head causing bad styling, previously added by bhimasta;
Merge pull request #112 from albertusatria/alb#fixAccountsManagement

fix colspan on table head causing bad styling, previously added by bhimasta
add basic opening balance
Merge pull request #113 from bhimasta/bimo.account

add basic opening balance
create template for student management at 50%
Merge pull request #114 from albertusatria/alb#manageStudents

create template for student management at 50%
met natal
Merge pull request #115 from bhimasta/bimo.account

met natal
finish transaction jurnal payment
Merge pull request #116 from bhimasta/bimo.account

finish transaction jurnal payment
add information about due payment on invoice table and confirmation table - Payment Page;
Merge pull request #117 from albertusatria/alb#paymentAdditionalReqs

Update on Payment Page - information about due payment
give list invoice item a scrollable layout on Payment Page;
Merge pull request #118 from albertusatria/alb#invoiceListLayout

give list invoice item a scrollable layout on Payment Page;
add required validation on Opening Balance Page for date field;
Merge pull request #119 from albertusatria/alb#addValidation

add required validation on Opening Balance Page for date field;
add journal book template