* Allow Cost Center In Entry of Balance Sheet Account
* Add parent cost center in get payment entry
* Add Tests for Allow Cost Center In Entry of Balance Sheet Account
* Add tests for cost center wise account and party balance
* set parent cost center in taxes
* 1. Remove copy parent cost_center to child
2. Improve update party and account balance functionality on cost_center change
3. Add cost_center filter to get_outstanding_documents
* fix Codacy and Travis issue