Updated the Experiment trigger functions such that:  - for each new probe, the experiment_probe table is updated  - the user can add a new probe by updating the "Probe" column  - always the first defined probe will remain in the "Probe" column  - all the probes belonging to an experiment are visible in the experiment_probe table in the "detailed" context or "Probes" in the "compact" context.
Updated the Experiment trigger functions such that:
 - for each new probe, the experiment_probe table is updated
 - the user can add a new probe by updating the "Probe" column
 - always the first defined probe will remain in the "Probe" column
 - all the probes belonging to an experiment are visible in the experiment_probe table in the "detailed" context or "Probes" in the "compact" context.

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