tabs and pages added for add/edit vcent and view transaction

modes - addvecentResources, editvcentResources, usrBillingHistory,
getBillingHistory, submitForm, chooseResourcetoEdit,
makechangestoResources
addvcent and editvcentresource page and jquery plugin and calendar validation function

addvcent, editvcentresources and usrBillinghistory page. php included,
tabs added for the above, datepicker plugin and validation added under
usrBillingHistory
addVcentresources.php added

admin add resource functionality form and query
editVcentresources and usrBillingHistory.php added

forms and queries to edit vcentresource and display transaction table