headers updated
Merge pull request #185 from haramrit/dirty

headers updated
UI brushup.
Merge pull request #186 from jasvir99/dirty

UI brushup.
UI brushup for bills
Merge pull request #187 from jasvir99/dirty

UI brushup for bills
UI brushup for voucher
Merge pull request #188 from haramrit/dirty

UI brushup for voucher
UI brushup for listing vouchers.
Merge pull request #189 from jasvir99/dirty

UI brushup for listing vouchers.