Add simple validations to Image model
Add Images controller routes
Add Images controller
Prepare actions in Images Controller
Add destroying dependent resources on Project deletion
Add route to Images Index
Add sorting in Projects dropdown
Add images link to Projects dropdown
Update active navbar and footer links to work with images
Update active project header links to work with images
Display 3 random images on project show page
Change small menu on Projects Index to black
Fix icon problem, change project header text menu to black
Add images link to projects index
Merge branch 'projects' into develop
Merge branch 'develop' into images

Conflicts:
	config/routes.rb
Create index action for Images controller
Fix query problem in Images/Index, add Images/Index view
Add different Images/Index view for signed in users
Add icon on Project/Edit page