[FIX] headerlib: Remove empty js elements from getJsFromHTML

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52596 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] sefurl: Use sefurl for refresh page link

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52597 b456876b-0849-0410-b77d-98878d47e9d5