Adding contact lists, and bumping the version to 1.2b16. This allows non admins to create, maintain and share their own lists of contacts without the unnecessary overhead of the groups approval and object per membership system. The associated search procs, sql upgrade scripts and lang messages are included in this commit.
security fix to prevent users from seeing other's searches that may contain information they do not have permission to view, via parameter ViewOthersSearchesP which can be enabled if previous behaviour is important.