Added new module sale_max_discount.

This module replaces account_invoice_limit_discount and adds extra functionaly on sale orders, pricelists and product categories.
[ADD]Add new module product_code_history, this saves a history changes of the default_code field
Merge pull request #102 from ClearCorp-dev/8.0_TODO-8.0

Added new module sale_max_discount.
[ADD] - project_subproject: Improved subproject view.

Changes
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* Added domain to projects view to filter and show only parent projects.
* Added button in form view to show subprojects.
[FIX] - project_subproject: Changed module description.
ADD update veterinary
[ADD] Upload account_banking_ccorp migrated to 8.0
[ADD] update files of module veterinary
[FIX] - account_aged_partner_balance_report: Changed invoice field to be displayed as.
Merge pull request #110 from ClearCorp-dev/8.0_TODO-8.0

[FIX] - account_aged_partner_balance_report: Changed invoice field to be...
Merge pull request #108 from ClearCorp-dev/8.0_account_banking_ccorp_dg

[ADD] Upload account_banking_ccorp migrated to 8.0
Merge pull request #107 from ClearCorp-dev/8.0-veterinary-fv

[ADD] Add colors in veterinary. restructuring module.
Merge pull request #104 from ClearCorp-dev/8.0_project_subproject

[IMP] Restructure kanban view in projects
Merge pull request #103 from ClearCorp-dev/8.0_product_code_history_cn

[ADD]-product_code_history-Add new module product_code_history, this saves a history changes of the default_code field
[ADD]Add new module stock_move_report for view the stock moves. Include wizard for report Qweb-PDF and screen view
Merge pull request #112 from ClearCorp-dev/8.0_stock_move_report_cn

[ADD]-Add new module stock_move_report for view the stock moves. Include wizard for report Qweb-PDF and screen view
[ADD]-Add new module product_invoice_report, show a report with the product invoices, in format .pdf or .xls
Merge pull request #113 from ClearCorp-dev/8.0_product_invoice_report_cn

[ADD]-Add new module product_invoice_report, show a report with the product invoices, in format .pdf or .xls
[ADD] - added new module stock_restricted_availability.

This module limits and forbids stock moves that let a negative real stock in internal locations.
[ADD]Add field issue_id to sale orders. Filter issues for partner of the sale order