Updated rake task for installing mspec plugin to default to resharper 5.1
Updated rake task for installing mspec plugin to default to resharper 5.1

HermanSchoenfeld/fluent-nhibernate,hzhgis/ss,hzhgis/ss,chester89/fluent-nhibernate,hzhgis/ss,bogdan7/nhibernate,chester89/fluent-nhibernate,owerkop/fluent-nhibernate,oceanho/fluent-nhibernate,lingxyd/fluent-nhibernate,narnau/fluent-nhibernate,owerkop/fluent-nhibernate,HermanSchoenfeld/fluent-nhibernate,narnau/fluent-nhibernate,bogdan7/nhibernate,chester89/fluent-nhibernate,lingxyd/fluent-nhibernate,bogdan7/nhibernate,oceanho/fluent-nhibernate