Update en.json

Some grammar error fixes
Add IMDB rating to movie items in the movie browser

Conflicts:
	src/app/styl/movie_detail.styl
	src/app/styl/show_detail.styl
Remove global rating styles
Fix rating value formula
Improve the look of the items cover rating
Make the rating on the covers an option
Fix cover rating stars font size
Add French translation for the covers rating setting
Merge pull request #1031 from jessejarvi/patch-1

Update en.json
Fix settings UI section height
Merge branch 'master' into feature/poster-imdb-rating

Conflicts:
	src/app/language/en.json
Merge pull request #1036 from andrefgneves/feature/poster-imdb-rating

Add IMDB rating to movie items in the movie browser
apply ui setting(s) without need for movies list refresh
Add always on top toggle

http://discuss.popcorntime.io/t/feature-request-float-on-top/873
Finalize Always on top toggle
New rating-stars look

- 11px instead of 12 (did not render well on 1080p windows)
- using complete stars instead of transparent ones
translate always on top

translate new string "always on top"
Merge pull request #1037 from MrVaykadji/NewStars

New rating-stars look
Merge pull request #1038 from MrVaykadji/patch-1

translate always on top
clean up en.json & make always on top toggle slightly more efficient