only show loading indicator when uris need to be resolved
make single_query expose a hook

we want to be able to inject a block before a query gets fired and
results will be wrapped
saving scope from block
Merge pull request #279 from innoq/scope-and-blocks

saving scope from block
sorting of search results only in federation
removing whitespace
Merge pull request #280 from innoq/sorting-of-arrays-only-in-federation

sorting of search results only in federation
lock authlogic to < 3.3.0

https://github.com/binarylogic/authlogic/issues/400
merge master