Add template for bank donation email
Merge pull request #19 from iox/bank_donation_email_template

Add template for bank donation email
Bank donation email: Prefix payment id
Merge pull request #20 from iox/bank_donation_email_template

Bank donation email: Prefix payment id
Replace hardcoded plugin path with plugin_dir_path function
Merge pull request #21 from iox/bank_donation_email_template

Replace hardcoded plugin path with plugin_dir_path function
Remove trailing spaces from paypal IPN
Paypal IPN: Clean main function
Paypal IPN refactor: Separate CS code from original code