Improve performens by implementing features from other addons

[CopperFig]

i use 4 addons for twitch ride now (7tv, ffz, bttv, previews for ttv) and it sometimes lags (understandabe)
7tv alone runs clean but some settings are missing / not working.
i list features i need to remove some addons.

1. bttv

• drops and moments auto claim ([Request] [Feat] Auto-claim Drops #454)

2. previews for ttv
(addon has lots of bugs, removed code from github (only issues now) and displays a promt to tip money which is annoying, but has cool and useful features)

• stream preview (implemented since Add sidebar-tooltip stream previews #367 actually better than in previews addon, but to small to see details [Request] Sidebar stream preview add size and hover delay option #476)
• sidebar favorite streamers ([Request] Add Sidebar Favorite Channels List #409) good to have fav. small streamers at the top of the list
• auto reload player on error

if those features are implemented and i can remove bttv and previews for ttv that would help a lot already

3. ffz (ffz has a lot more great features i listed only a few.)

• badge visibility
• hide international name
• hide most of ui ([Request] (Treadspear) These 6 or more options can make chat more compact #480)
• timestamp in chat
• pause featured streams ([Request] [Twitch] Auto pause featured streams on twitch frontpage #407)
• hide interactive overlays on video player