Prevent property deprecation warnings when unpickling options

The warning introduced with !633 (merged) produces false positives when unpickling options.

I introduced a protection to prevent warnings when unpickling.

added 1 commit

• 79d1e391 - Update release notes

Compare with previous version

• [2018-03-17 09:39] Validation started with lhcb-gaudi-merge#465
• [2018-03-17 09:51] Validation started with lhcb-gaudi-head#1803
• [2018-03-18 00:05] Validation started with lhcb-gaudi-head-py3#96
• [2018-03-18 00:09] Validation started with lhcb-tdr-test#92
• [2018-03-18 00:09] Validation started with lhcb-gaudi-head#1804

added 2 commits

• c13ee360 - Prevent property deprecation warnings when unpickling options
• f4793886 - Update release notes

Compare with previous version

merged

mentioned in commit db9bbd2f