Merge pull request #360 from VinceMacBuche/bug/4116

Fixes #4116: Technique library auto updater is now working again
Merge branch 'branches/rudder/2.6' into branches/rudder/2.7
Merge branch 'branches/rudder/2.7' into branches/rudder/2.8
Fixes #4113: Add relaod technique on start up if file is present