Qt Creator: collect list of upload files and upload that

Instead of uploading every single file with three commands.

Change-Id: I81269117d177cb3acd19e7b6ad8508dfc2f62d7c
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
Reviewed-by: Kai Koehne <kai.koehne@digia.com>
Qt Creator: optionally upload snapshots

Change-Id: If379c6a62332fa852edae3db5f737c8b3bdebc9b
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>
Reviewed-by: Kai Koehne <kai.koehne@digia.com>