Console:
- Enhance presentation of show/hide news links on home page
- Fix some issues with Arabic CSS (light/dark)
- Further tweaks to graphs display and fixes for borderless single graphs
  in midnight/dark themes
- Fix minor coloring issues with light theme post-rework
- Misc theme fixes

I2PSnark:
- Move </center> tag in fileinfo view that prevented sticky navbar from working
- ubergine:
  - Alternative panel tabs for embedded view
  - Tighten .snarkTorrents thead/tfoot spacing
  - Tweak embedded navbar coloring
  - Reduce height of download bars