Dont crash at shutdown. Init logger gPid locally so Logger can be used in other programs besides OpenBTS, and shorten the log format.
git-svn-id: http://wush.net/svn/range/software/public/CommonLibs/trunk@6165 19bc5d8c-e614-43d4-8b26-e1612bc8e597
git-svn-id: http://wush.net/svn/range/software/public/CommonLibs/trunk@5656 19bc5d8c-e614-43d4-8b26-e1612bc8e597