Re-add _refreshTablesorter and _refreshTableHeader sitelinklistview

this was mistakenly removed in resolving merge conflict,
but is still needed on the branch.

Change-Id: Ibfd0b3010e7a6199ff98d633f02c9dfb1a9c74f5
Merge "Re-add _refreshTablesorter and _refreshTableHeader sitelinklistview" into wmf/1.25wmf12c