ADDED DevID field to Site. Allowing the developer to define an identifier on a site instance that can be used to identify the different site instances in code
BUGFIX If a site has yet to be created, themes will break if it references a sitemenu, preventing ability to login...
Merge pull request #21 from nyeholt/master

BUGFIX Stop themes breaking when site hasn't been created
ADDED subclass of SearchForm to filter results by Site
Merge branch 'master' of github.com:sheadawson/silverstripe-multisites
MINOR fixed developer identifier field insertion