LOG: Add version number to header message (#384)

Author: karliwalti

modules/ln_core/log.scm

@@ -178,7 +178,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 (log-folder-cleanup)
 
 ;; let's say hello to ourselves
-(log-system "Application " (system-appname) " built " (system-builddatetime))
+(log-system "Application " (system-appname) " v"  (system-appversion) " built " (system-builddatetime))
 (log-system "Git hash " (system-buildhash))
 
 ;; eof