WMSClient and SandboxDB are created at the beginning of the cycle
FIX: updating correctly the reserved tasks
correct logging
Fix for non string parameters
Merge pull request #1394 from fstagni/reUseClientsForTS

[v6r8] Re use clients in Transformation System
FIX: pass filePath argument when downloading proxy
v6r7p21
v6r8p2
FIX: remove check for opening a session in __init__ as credentials are
not yet set :((
Conflicts resolved after merge with rel-v6r8
v6r7p21, v6r8p2
Merge remote-tracking branch 'upstream/integration' into integration