Fixed Currency Exchange error
Don't set default for warehouse when creating serial no
Stock Entry: get fg item incoming rate if bom is mentioned
Travis: Install frappe of targetted branch

For example:
If pull request is for wip-4.1 branch of erpnext, install frappe with branch as wip-4.1
Revert "Stock Entry: get fg item incoming rate if bom is mentioned"

This reverts commit 297939325a49f51140971f99c5f240162b656f36.
Stock Entry: get fg item incoming rate if bom is mentioned
Fixed Sales Order -> Delivery Note mapping of address fields
Merge pull request #1814 from anandpdoshi/anand-wip

Don't set warehouse when creating serial no, fixed currency exchange error message
Fixed Employee Leave Balance Report
Valuation rate and amount for fg item
Incoming rate for sales return
Stocvk entry incoming rate for sales return
Get party details fixes
Merge pull request #1817 from anandpdoshi/anand-wip

Fixed Employee Leave Balance Report
Merge pull request #1816 from nabinhait/v4-hotfix

Stock Entry incoming rate
Overwrite from POS Settings if value exists
Minor fix in Journal Voucher
Fixed number format in currency
Fixed feed type options
Validate Select field values