Lossless-ly optimize JPG image

Ran "jpegoptim --strip-all" on the image.

Size went from 28142 bytes to 11433 bytes (59% reduction).
Lossless-ly optimize GIF image

Ran "gifsicle -O2 -b" on the image.

Size went from 3996 bytes to 2960 bytes (26% reduction).
Lossless-ly optimize PNG images

Ran the following on these images:

- pngcrush -q -rem gAMA -rem alla -rem text
- optipng -o9 -q
- advpng -z -4 -q

Sizes went from:

- 6153 bytes to 2077 bytes (66% reduction)
- 6413 bytes to 2216 bytes (65% reduction)
- 1789 bytes to  643 bytes (64% reduction)
- 7383 bytes to 3423 bytes (54% reduction)
- 4765 bytes to 1555 bytes (67% reduction)
- 5197 bytes to 1730 bytes (67% reduction)
- 4765 bytes to 1555 bytes (67% reduction)
don't show GuildGems on the party tab
feat(readme): dependencies badge
chore(user): tiny cleanup in findTask function
feat(todolist): Push To Top Button
Implement "Change username" feature
Update settings.jade
Update settingsCtrl.js
Update settingsCtrl.js
Update settings.jade
Update settings.jade
Fixed over width issue caused by the filters div
feat(admin): allow admins to update user's items (restoring lost items,
granting quest scrolls, etc). @deilann :)
feat(dilatory): add dilatory achievement
remove beta from api call examples

The API documentation examples used beta.habitrpg.com as url. Additionally, the base URL was specified including "/user/". removed both to avoid confusion and make copy-paste easier
Merge pull request #3754 from vIiRuS/patch-3

remove beta from api call examples
Merge pull request #3597 from 3onyc/feature/username-change

Implement "Change username" feature
Corrected gap in filters style