change libtimecode to libtemporal, add Evoral::Beats, positional types and superclock headers

libs/temporal/wscript

@@ -0,0 +1,29 @@
+#!/usr/bin/env python
+from waflib.extras import autowaf as autowaf
+from waflib import Options
+import os
+
+# Mandatory variables
+top = '.'
+out = 'build'
+
+def options(opt):
+    autowaf.set_options(opt)
+
+def configure(conf):
+    conf.load('compiler_cxx')
+    autowaf.configure(conf)
+
+def build(bld):
+    bld.shlib (
+               source   = [ 'src/time.cc', 'src/bbt_time.cc' ],
+               name     = 'libtimecode',
+               target   = 'timecode',
+               includes = ['.'],
+               export_includes = ['.'],
+               defines  = [ 'LIBTIMECODE_DLL_EXPORTS' ],
+               install_path = bld.env['LIBDIR']
+               )
+
+def shutdown():
+    autowaf.shutdown()