Add simple validations to Image model
Add Images controller routes
Add Images controller
Prepare actions in Images Controller
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
Add Image/New action and view
Code Image/Create action
Code Image/Destroy action
Code Edit and Update actions and views of Images controller
Add Image/Show action and view
Center image on Image/Show view
Add fancybox code to Image/Show
Add validations for title field of Image model
Add title field to Images form
Add title to Images\Index, fix some design issues
Add proper image title to Show and Edit actions