add newsletter layout
little fixes in style
change gulp task
remove unused link
add transition to close button
add font-face in main stylesheet
rename newsletter tasks to newsletter-layout
add missed dependency
add newsletter and newsletter article models
add newsletter and newsletter article mocks
add newsletter and newsletter article tests
implement newletter and newsletter article controllers
newsletter admin (WIP)
add route for articles creation
rename article comment to description
newsletter admin wip
delete accidentally added build-dev folder
add public build folders to gitignore
fix merge conflicts