added wsjtx slackbuild; requires qt5 which is found via http://www.linuxquestions.org/questions/showthread.php?p=5075149#post5075149
fixed SRCDIR to SRC_DIR
added flmsg slackbuild
adding smc slackbuild.
compile dies with the below currently

audio/../core/../objects/../objects/../video/video.h:26:62: fatal error: RendererModules/OpenGLGUIRenderer/openglrenderer.h: No such file or directory
 #include "RendererModules/OpenGLGUIRenderer/openglrenderer.h"
                                                              ^
compilation terminated.
make[2]: *** [audio.o] Error 1
make[2]: Leaving directory `/tmp/SBo/smc-1.9/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/tmp/SBo/smc-1.9'
make: *** [all] Error 2
added the manpage shuffling back to fltk13 slackbuild
syncing gnuradio/rtlsdr related submodule versions with other repos