In tizprobe.cc, fixed avformat_close_input called if probing fails at some stage.
Various minor changes to try to make valgrind happy.
Fixed memory leak in pcm renderer (added call to snd_config_update_free_global())
Minor changes in fr.c
Updates in the component templates.
Fixed memory leak in non_block pcm renderer (added call to snd_config_update_free_global())