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
#3534 - Rewards: Broken layout when the text is too long.
Implement "Change username" feature
Merge pull request #3605 from yafinee/etheral_surge

#3534 - Rewards: Broken layout when the text is too long.
#1623 - charts: readable (vertical) labels on horizontal axis
Merge pull request #3609 from yafinee/chart

#1623 - charts: readable (vertical) labels on horizontal axis
fix avatar and background margin
feat(debug): debug buttons for NODE_ENV==test too
fix(i18n): stable
fix(i18n): use string
Merge pull request #3613 from negue/fix_margins

fix avatar and background margin
fix(mongo): tmp fix to #3607 until
https://github.com/LearnBoost/mongoose/issues/1920 fixed
refactor(stats): iterate stats via jade instead of angular. needed for some mobile stuff
Update settings.jade