[MQ] Sbatch scripts fixes following investigation of problems seen online in Au runs

    - Change HWM for Sink process input to 1 as this applies to each link to an Evt builder individually and not to the sum of all as expected (solves huge bufferings)
    - Do not re-order the TS in the Sink by default (leads to buffering if one branch is really slow)
    - Add option for DigiEvent I/O between builders and Sink
    - Reduce HWM at input and output of Unpackes and Event builders to 1
    - Add bash and sbatch scripts for testing replay of a run on the mFLES cluster (single source node + single processing node)
    - Add information about online MQ problems in Gold run and these fixes