Interesting prop search recursion

[stephenegriffin]

Added a new -recurse switch to allow an interesting prop search to recurse folders and search down the tree.

For example, this command:
mrmapi -Contents -Folder "@" -recurse -findn PidLidReminderPlaySound PidLidReminderFileParameter
Starts at the root of the message store ("@") and searches every folder underneath it.

Note - many of the folders in a message store are search folders, like the Reminders folder, which don't technically contain any messages but rather contain search results for messages. We don't make any effort to distinguish between the types of folders when doing this recursion, so a message which is in the scope of a search folder may be "found" multiple times. It will appear to live in the folder it actually lives in, as well as any search folder for which it is in scope and matches the criteria.