Fix incorrect file attachment if filetype is rejected

If an attachment is submitted via the API and the filetype is rejected, the
file would be attached anyway. However, if the file was encoded base64, the
content would not be decoded.
Support Reply-To headers in ticket filters

The email filtering feature supports a 'Use Reply-To' feature, but seems to
never have been implemented. This patch officially supports using the
Reply-To email header as the From header for emails matching the filter.
Add files new to 1.7.1 to the download package

 * web.config
 * pages/{.htaccess,index.php}

Fixes #667
Copy typo
Merge pull request #678 from btafoya/develop

Copy typo on the site-pages management

Reviewed-By: Jared Hancock <jared@osticket.com>
Merge pull request #671 from greezybacon/issue/667

Add files new to 1.7.1 to the download package

Reviewed-By: Peter Rotich <peter@osticket.com>
Merge pull request #668 from greezybacon/issue/api-attachment

Fix incorrect file attachment if filetype is rejected
Reviewed-By: Peter Rotich <peter@osticket.com>
Merge pull request #669 from greezybacon/feature/filter-reply-to

Support Reply-To headers in ticket filters

Reviewed-By: Peter Rotich <peter@osticket.com>