Fix various unchecked warnings

Checked type inference has changed slightly in Java 7, so many of the
suppressions are no longer necessary.

Change-Id: I73585e888b8204429ea67c8f4822d81d4dad8c46
Fix Javadoc warnings in SuggestService

These constants moved into the server package, which depends on this
package, so we can no longer import the necessary class for a @link.

Change-Id: I0695a991835a8d83db5b8f40def1e106babdc091
Remove unused variable in ProjectAccessFactory

Change-Id: Ib0c58d71164e976f85b8fff6462ed1e5a221f773
Merge "Fix various unchecked warnings"
Merge "Fix Javadoc warnings in SuggestService"
Merge "Remove unused variable in ProjectAccessFactory"