updates for LHCbPR

This contains several workarounds that existed in the development branch:

• adapting for LBCORE-1772
• workarounds for slc6 environment
• separation of sending the results to Dirac SE from the handlers call (LBCORE-1690)
• improvements in authentication
• adding cpu and memory info to tests' metadata
• removing obsolete environment setups

changed the description

changed milestone to %2.1.0

added 1 commit

• 36e61ebc - use lbpr-get-command from env

Compare with previous version

mentioned in merge request LHCbNightlyConf!236 (merged)

mentioned in commit 88a65aa1

merged