Implemented search

- Implemented search page
- Implemented refine by type
- Hooked up new lists framework to page
- Removed old unused search widgets
- Consolidated entity metadata into list template
- Added macro option for `showCheckbox`
- Code improvements according to guide line
- Implemented search from index page
- Implemented basic search from top navigation
- Update gt skins to be up-to-date with main skins file

NOTE: This PR is based on the listsFollowup branch, which should be merged first.