[IMP] product_by_supplier adding funciotnalities from product_search_reference.
Now it's possible to search products everywhere by supplier code
[IMP] join all results to allow for example "Search more..." option to appear
[FIX] bug #1335153 - Avoided inherited view and modified 'action_product_supplier_info'
[MRG] Merged lp:~agilebg/purchase-wkfl/fix_1335153
[FIX] without this change, the _partner_ref2_search method only works when template ID == product ID
[IMP] PEP8
[FIX] lep's fixing
[FIX] rem sintax error
Merge pull request #16 from agilebg/imp_product_by_supplier

[IMP] product_by_supplier: Search by partner