Fix analytics prompt
Fix analytics prompt

Currently analytics prompt is showing:
"Do you want to help us improve Telerik AppBuilderNaN You can read our official Privacy Policy at"

Instead it must show: "Do you want to help us improve Telerik AppBuilder by automatically sending anonymous usage statistics? We will not use this information to identify or contact you. You can read our official Privacy Policy at..."

The problem is with two consecutive + signs used when message is generated.

Icenium/icenium-cli,Icenium/icenium-cli