Merge pull request #45 from Posnic/session_change

add user image upload
Fixing invoice status
Merge pull request #46 from Posnic/purchase-invoice

Fixing invoice status
Set limit to select 2 search
Merge pull request #47 from Posnic/serach-box

Set limit to select 2 search
select box fixing
Merge pull request #48 from Posnic/serach-box

select box fixing
Direct Invoice
Merge pull request #49 from Posnic/direct-invoice

Direct Invoice
supplier payment
Merge pull request #50 from Posnic/payments

supplier payment
Add new purchase payment
Merge pull request #51 from Posnic/payments

Add new purchase payment
supplier payment
Merge pull request #52 from Posnic/payments

supplier payment
Add discount field in customer category
unit Of meassurement
Merge pull request #53 from Posnic/u-o-m

Unit  of  meassurement
Modules
Merge pull request #54 from Posnic/u-o-m

Modules