Administrative Interface and Multi-tenant support

This is in conjunction with a related pull request on springboard_modules and springboard_build
https://github.com/JacksonRiver/springboard_modules/pull/389
https://github.com/JacksonRiver/Springboard-Build/pull/12

This change adds default user roles and permissions to the springboard install profile as well as default configurations for the WYSIWYG module and CKEditor plugin. There are also updates to the default admin theme, default blocks, and jquery update version.