tool tip is added for accoutning in loan products

In this request,
1)Create Loan product - Cash Accounting: Account info(tool tip) button is not available- fixed(#586)
2)New loan a/c application repayment strategy are displaying options -fixed(#588)
3)Create Loan product - advanced accounting rule click on any add buttons not working correctly with respect to old UI-fixed(#593)
4)Create Loan product -in advanced accounting combobox is added.
5)In new loan application - Link savings is not working as expected(#594).