Rename: tizplay -> tplay

--HG--
rename : examples/tizplay/Makefile.am => examples/tplay/Makefile.am
rename : examples/tizplay/configure.ac => examples/tplay/configure.ac
rename : examples/tizplay/src/Makefile.am => examples/tplay/src/Makefile.am
rename : examples/tizplay/src/tizgraph.cc => examples/tplay/src/tizgraph.cc
rename : examples/tizplay/src/tizgraph.h => examples/tplay/src/tizgraph.h
rename : examples/tizplay/src/tizgraphfactory.cc => examples/tplay/src/tizgraphfactory.cc
rename : examples/tizplay/src/tizgraphfactory.h => examples/tplay/src/tizgraphfactory.h
rename : examples/tizplay/src/tizmp3graph.cc => examples/tplay/src/tizmp3graph.cc
rename : examples/tizplay/src/tizmp3graph.h => examples/tplay/src/tizmp3graph.h
rename : examples/tizplay/src/tizomxutil.cc => examples/tplay/src/tizomxutil.cc
rename : examples/tizplay/src/tizomxutil.h => examples/tplay/src/tizomxutil.h
rename : examples/tizplay/src/tizplay.cc => examples/tplay/src/tizplay.cc
rename : examples/tizplay/src/tizprobe.cc => examples/tplay/src/tizprobe.cc
rename : examples/tizplay/src/tizprobe.h => examples/tplay/src/tizprobe.h
Various fixes in tizkernel related to enabling disabling of ports in Executing
state.
Added work-in-progress comment on tizmacros.h
http renderer now reports EOS.
Added a streaming server graph to tplay.