Update OpenCollar - rlvfolders.lsl

- removed stray llOwnerSay()
- more logical returns from action menu (back to where we come from after any action, except "Browse", which leads to browsing current folder if it contains subfolders, or its parent otherwise).
Merge pull request #131 from SatomiAhn/SmarterSt

Update OpenCollar - rlvfolders.lsl