fixed the search block in top bar
Merge branch 'redesign' of github.com:datagovuk/dgu_d7 into redesign

* 'redesign' of github.com:datagovuk/dgu_d7:
  Use $main_menu instead of menu-interact and $secondary_menu instead of menu-apps
  Set menu_main_links_source variable to menu-interact and  menu_secondary_links_source variable to menu-apps
Merge pull request #181 from waako/redesign

fixed top nav search field to search data