The demo licence key for SharePoint 2007, valid for 180 days, is P8WKK-RMXK7-WJ3XD-B2H7M-2K4PQ.
I have found it in the blog post Now available: 180 day Trial Version SharePoint Server 2007 for Search.
To ensure that MDS (Minimal Download Strategy) continues to work after deployment of custom solution, these have to be done following the rules described in Modify SharePoint components for MDS.
In short they are:
- include your content in SharePoint:AjaxDelta control (probably already done in the master page, but worth to check)
- include css with SharePoint:CssLink and SharePoint:CssRegistration
- mark your assembly with
[assembly: Microsoft.SharePoint.WebControls.MdsCompliantAttribute(IsCompliant = true)]
- mark your controls and web parts with:
[Microsoft.SharePoint.WebControls.MdsCompliantAttribute(IsCompliant = true)]
In addition to that: