Revert "Added nice datepicker from jquery."

This reverts commit be08d61925374aee60ba2f6a32d6f05e27dfa975.
Revert "simplified new invoice form"

This reverts commit e1f69e0b125bfca8909de0632d142d28cb483657.
Revert "1. Added invoice details (only for quotas new entries - testing purpose)"

This reverts commit 1e7be30235721961a5cf58c81297b6ecde0d4b79.
linked a consumption to an operation doc
generated backend model to download monthly list