Revert "(fix #20) users are notified of no matches"

This reverts commit 77ce014e0cb30dfc92ad4a4c730fd26b7b0a7b1b.

Revert "Custom Filter to search based on title of article"

This reverts commit 01dd46dfa2b4e337ff30d345dffaedfb27fff165.

Revert "Posts are now rated based on vote ratios, not raw points"

This reverts commit b2807bc1b320da0abf0872596864c612965e69f7.

Revert "Sorting is now based on top post, not gross points"

This reverts commit e1d84bc05dfa6c8ec1bd0e1a14ccddf563c6f37b.

Revert "Merge branch 'master' of https://github.com/frankcash/HackerQueue"

This reverts commit 4d0896b6f4d491d76a76cdd5b1f49aedcb8b68cf, reversing
changes made to 441377278960f3cb5ac5a018f89299259320aacf.

Revert "Now orders posts based on points, not fixed order. all other changes are made to work with the main enhancement"

This reverts commit 441377278960f3cb5ac5a018f89299259320aacf.
invert the semantics of the site checkboxes

- Posts from a given source are hidden if the corresponding checkbox is
  unchecked.
- All the checkboxes are checked (set to true) initially.