Merge pull request #20 from elahurd/master

fixed parameters for tep_href_link and tep_redirect
Merge pull request #21 from elahurd/master

added requires to include tep_remove_order in the callback script
Merge pull request #22 from elahurd/master

fixed error with includes, added different email footers
Added LICENSE file and updated all files so the license is included
Merge pull request #23 from JoshuaEstes/master

Added LICENSE file and updated all files so the license is included
Documented code and formated code
Merge pull request #24 from JoshuaEstes/master

Documented code and formated code
Merge branch 'master', remote-tracking branch 'upstream/master'
reverted back to using after_process due to orders not being updated, changed email footer