rhbz1065790 use timed task handle for ReindexTask
rhbz1065790 display time and estimate for reindex action
rhbz1065790 remove unnecessary type parameter from reindex task
rhbz1065790 rename ReindexAsyncBean to SearchIndexManager and move to service package
rhbz1065790 rename ReindexActionBean to ReindexAction
rhbz1065790 update elapsed and total time methods in TimedAsyncHandle
rhbz1065790 add basic test for UI of admin search reindex page

    See comments in ManageSearch.html for additional checks that should be written.