Fixes #5119 - Move sourcing of /etc/profile to begining of check-rudder-agent in order to be fault-tolerant
Merge pull request #402 from nperron/bug_5119/dev/let_check_rudder_agent_be_fault_tolerant_to_etc_profile

Fixes #5119 - Move sourcing of /etc/profile to begining of check-rudder-agent in order to be fault-tolerant