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
Add docker file
Update docker file
Make tags sortable with drag&drop
feat(mobile): adapt boss box to mobile
fix(groupsServices): allow for direct modification of data @lefnire it is necessary for mobile but does not break anything
fix(i18n): add support for latin american spanish
feat(quests): parrot quest
bailey(audio): add bailey for audio
bailey(mobile):
fix(fbAuth): get user email @lefnire this should be all we need but not having the keys i can not test before going live
Merge pull request #3846 from titilambert/develop

Add docker file
Merge pull request #2079 from fmarier/optimized_images

Optimized images
Merge pull request #3139 from mapleoin/partygems

fix Guild Gems strings on the party tab
Merge remote-tracking branch 'remotes/denis-sokolov/patch-1' into develop

Conflicts:
	README.md