Final fix memleaks in GkClient codes, same for Timer codes.

(these memleaks stop development of gk codes, now i can continue)
Fix printHandler 'Unbalanced Structure' issues with locking printHandler
data for single thread.
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Merged revisions 343281 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 343445 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@343448 65c4cc65-6c06-0410-ace0-fbb531ad65f3