3.15

This version is mainly about new a feature called CPU Workload Estimator

Apart of that it brings following fixes

• CPU shared pools names are showed in Historical reports instead of generic "CPU pool 1" ...
• fixed wrong retention of 5mins average in RRDTool, it was 45day, should be 90
• SDMC lpar id to name translation did not work when there was more than 1 server under sdmc
• When was deleted last CPU pool then it lead to lpar2rrd fail during load data as it could not map old data from that pool