SOC-3818 | CLONE - Connect function should not be possible with a deleted user - Fix UT failed

Fix description: hide connect button when going to deleted user profile.
SOC-3789 | Update log level for lazy Upgrade Activity Stream

Fix description: Update log level from info to debug for lazy Upgrade Activity Stream in StreamInvocationHelper class.
SOC-3633 | CLONE - No content displays on My Space Gadget

Fix description: backport from SOC-3629 on PLF 4.1.x.
SOC-3889: fix Feedmash job issue

Fix description: In Feedmash job, set default value of "rampup" variable is 1. When server is starting, if "rampup" value is superior than 1, then reduce it by 1.
Merge commit '27823af5521c7c259d362d01a4db7ac035d28663' into HEAD