Add TestCdwebApp#t_view_with_query

f.g. http://url/home/a_project/cdstk.rb?query=def
Add TestCdwebApp#t_view_simple, t_view_gotoline
Add TestCdwebApp#t_search_contents, t_search_gotolne, t_search_fuzzy_gotoline
Comment out
Add feature to delete HTML tag in Util#highlight_keywords