add pay orders button

[sudo]

... and we should get bts-mail reliable to receive receips and payment orders with one-click pay option ;)

+5%

[xeroc]

... and we should get bts-mail reliable to receive receips and payment orders with one-click pay option ;)

[infovortice2013]

this button should manage a list with user-prefixed mensual (or other) payments to execute all payments just with one button click, and permit user modify or create diferents list