Merge pull request #1062 from akhileshdarjee/1310

[fix] [minor] stock related report fixed
Merge pull request #1064 from akhileshdarjee/1310

[fix] [minor] stock related reports fixed for serialized item
[fix] [minor] stock value difference rounding issue
Merge branch '1310' of github.com:webnotes/erpnext into 1310
Merge pull request #1065 from akhileshdarjee/1310

[fix] [minor] product search box fixed
[fix] [minor] all variance related reports fixed