Real porperty - Strata title - By-Laws restricting user to office or shops - Whether church operation in the mall has resulted in unreasonable interference with use and enjoyment of common areas by other proprietors - Complaints that church causing noise and other nuisance - Continuing breach of covenant using shops as a church - Continuing disputes over parking spaces and noise - Strata run by corporation - Whether there was acquiescence to the breaches by the executive management committee - Whether complaint now deprived of right to enforce the by-laws - Whetehr injunctive relief unjust in the circumstances - Registration (Strata Titles) Act SS. 9 and 18.