ENH: reputation for comments

There is only "upvote" for comments. Downvote is not allowed
reputation onclick event is directly mentioned in list.html
ENH: order search results based on wilson score

1. New `score` field added to Revision model, which stores wilson, score confidence
2. allvotes_count, upvotes_count model methods - only count when is_valid=True
3. add new field to haystack search_indexes
4. Filter "tag" search based on score
ENH: show top-rated submissions on front page

1. create another tab 'top rated' on front page to show submissions based on score! Filter is created for it
Note: only revision having top Wilson score is showed

2. show all submissions based on score
The above "note" is applicable to [2]

3. create model property in Submission model to get top_revision of the respective submission
ENH: show reputation in one-search-result.html

Overall aggregate of reputation is showed above 'submission_type' image!
Note: This is not Wilson score!

one-serach-result.html is used to show objects on front-page, search results, user profile, tags-results
ENH: add scale for thumbs

1. provide explicit scale settings that can be changed for thumbs app
ENH: enable reputation for user profile

1. `reputation` field in user profile is present before but never used!
2. reputation for user profile is done as soon as successful voting is done