task 86: Can overwrite locked talks  http://github.com/geeksoflondon/grid4rails/issues/issue/86
task 86: Can overwrite locked talks 
http://github.com/geeksoflondon/grid4rails/issues/issue/86
geeksoflondon/grid4rails,geeksoflondon/grid4rails,geeksoflondon/grid4rails