updated the BL_mappedUseCase.md
updated the BL_mappedUseCase.md
updated the BL_mappedUseCase.md
Modified admin, models, and settings for ldap
Updated use case mapping

Fixed spelling errors, and highlighted classes
Updated use case mapping
Update BL_mappedUseCases.md
added re-factored business logic api
added missing documents
Merged #59 into develop fixed conflicts