CV: moved nmr software under its corresp node.
Rules: made CV entry point for software to refer to NMR software and use requirement level Should instead of May (just an experiment)
Merge branch 'master' of https://github.com/nmrML/nmrML
removed decoupling from processes to acquisition parameter and appended the ' method' postfix again. Both domain experts (RS and AR) expressed the need for this rebinning.