resolve issue #1
Merge pull request #3 from ruwhan/poll-link

resolve issue #1
wip add vote backend, add permalink field to poll model
add angular vote modules, refactor vote server module to be using plural
resolve issue #4
Merge pull request #5 from ruwhan/poll-public-page

Poll public page
fix travis badge
add david dependency manager badge
pluralize project name
resolve issue #6
Merge pull request #7 from ruwhan/short-permalink

resolve issue #6
wip create directive for dashboard piechart
code cleanup
wip dashboard piechart
done issue #2
done issue #2