[minor] use frappe.attach_print() in salary slip and recurring document
Merge pull request #2500 from nabinhait/fix1

no copy property for customer's po no
Merge pull request #2501 from nabinhait/fix1

Fecth contact details on change of contact in purchase transactions
Merge pull request #2498 from anandpdoshi/anand-dec-15

[minor] use frappe.attach_print() in salary slip and recurring document
packing list index