Resolve #3335089 "Hookhelp function missing"

Closes #3335089

added 3 commits

• feaec7cd...ab71f4ce - 2 commits from branch project:2.x
• 6d88f5db - Merge branch '2.x' into 3335089-hookhelp-function-missing

Compare with previous version

added 2 commits

• d4595f16 - 1 commit from branch project:2.x
• b2ad353b - Issue #3335089 by Jay Jangid, nagy.balint: hook_help function missing in .module file

Compare with previous version

merged