check for syntax errors when loading app

Dependencies

• [2] WNHI74P7 load manifest in correct order
• [3] LRDM35CE app running again

Change contents

• replacement in live.lua at line 136
  [2.231]→[2.231:250](∅→∅)
  − live.eval(buf)
  [2.231]

  [2.250]
  + local status, err = live.eval(buf)

  + if status == nil then

  + error(('error loading %s from manifest: %s'):format(filename, err))

  + end