Update of the Vocabulary and Requirements

Dear participants of the TDMRep CG, 

As announced before, please find here the Pull Request corresponding to the Vocabulary and Requirements. We'll try to validate it during our call on Tuesday 09 March. 

This link shows you the diff between the current and the proposed version: 
https://github.com/w3c/tdm-reservation-protocol/pull/8/files <https://github.com/w3c/tdm-reservation-protocol/pull/8/files>   

Best regards
Laurent