Adds upvote and downvote button on the left and right sides of tags in EH Gallery to allow faster and easier tag voting.
As of the current version (r2), there are 4 configurable layout options:
r5 [25/9/2018]
- Fix stylesheet insertion broken due to GM_addStyle() being removed in GM4
r4 [21/1/2017]
- Update @include for the new EH gallery url pattern
- Update default options and screenshot
r3 [18/7/2016]
- Update @include with a better one
r2 [22/1/2016]
- Include sadpanda
- Fixed voting on tags with multiple words
r1 [22/1/2016]
- Init
