create the project, create sprint, associate stories and launched sprint
making ajax input stories
create story done
creating stories and definition of Ready
Merge pull request #1 from hiper4tivo/master

Some stories added to the project
merge done sprint
changed the name of the page projects
refactoring and creation of the new role create_update_backlog_itens
added routinely to remove items
create task cards
fix remove itens
add zebra rows
added theme on page product_backlog
better visualization of cards
added menu to the pages
better visualization of projects
add scroll in product backlog
move story to sprint
corrected new history in sprint
move history between sprint and backlog