Add missing Section mapper connections.
Correct the lookup of keys for mapping POST.
Added missing canonical mappings for Objectives
Merge pull request #1413 from reciprocity/hotfix/lhn-fail-already-mapped

Correct the lookup of keys for mapping POST.
Merge pull request #1414 from reciprocity/hotfix/canonical_objective_mappings

Added missing canonical mappings for Objectives
Remove duplicate definition for Section
Merge pull request #1412 from reciprocity/hotfix/section-mapping-fail

Add missing Section mapper connections.
Merge remote-tracking branch 'origin/release/0.9a30' into develop