Define default allowed values for og group access field.
Fix notice when trying to hide node view tab.
Merge pull request #5013 from openscholar/5012

Fix notice when trying to hide node view tab.
Merge pull request #5009 from openscholar/5001

Define default allowed values for og group access field.
fix block node margin bottom when node is last one. #4956
Merge branch 'SCHOLAR-3.x' into 4373