Administrative Interface and Multi-tenant support

This is in conjunction with related pull requests on springboard and springboard_modules
https://github.com/JacksonRiver/springboard_modules/pull/389
https://github.com/JacksonRiver/springboard/pull/12

This change adds a few new module and library dependencies:
cdn
imce
imce_wysiwyg
memcache
redirect
views_watchdog
ckeditor (library)