Installs carrierwave and rmagick - Adds uploader and new model VenueImage

[#39944449]
Revert "Installs carrierwave and rmagick - Adds uploader and new model VenueImage"

This reverts commit 32e1c1c4572f9e4a2e5f0d12edff3870655d436a.

[#39944449]
Revert "Revert "Installs carrierwave and rmagick - Adds uploader and new model VenueImage""

This reverts commit e0df486a25af7eadaa2da5992546d3f27112bdab.

[#39944449]
Adds controller for VenueImage - Can create, show and list index

[#39944449]
CSS for images on venue show page

[#39944449]
CSS for venue images show pages

[#39944449]
Adds previous and next image to show page

[#39944449]
Implements destroy venue image

[#39944449]
Is main set as false by default - Implements set_main action

[#39944449]
One sidebar partial in shared folder - Adds some i18n - Highlights main picture for venue

[#39944449]
Shows main picture if exists on venues index page

[#39944449]
Adds venue main image to seed

[#39944449]
Adds routing tests

[#39944449]
Adds has_one association for venue main_image with condition - Uses includes method in request to optimize SQL requests when loop

[#39944449]
Adds default no-image when main image is not set

[#39944449]
Adds before create to set is_main at true if venue first image

[#39944449]
Adds tests for uploader and now removes folder when removing venue or venue_image

[#39944449]
Tests for VenueImage model and controller done

[#39944449]
Merge pull request #12 from WilfriedDeluche/images-venue-39944449

[Fixes #39944449] Images venue 39944449