tasks: added validation of empty strings of workers and tasks
tasks: added functionality of closing all other popovers when one is opened
tasks: added functionality of closing a popover when you click outside of it.
Bryan Fixed modal not poppup up after clicking a persons's person icon.
Modal opens up correctly now
Added Foundation Front-end framework and now is using it (see
application.html.haml also did minor touch up to tasks index

Minor view changes
Added full Foundation CSS framework code. Included support for bootstrap since Tasks page still relies on bootstrap
Authentication: candidate fix for auth logging in as wrong user
tasks: added functionality - autocomplete when adding workers to each task
Merge branch 'dev' of github.com:JonSEng/gp-taskmanagement into dev
fixed typo
Added seeds.db file - not a lot of seed data but can be used to test
Date assignment for task_sessions create and update both work now
Fixed date display format to be more readable
Removed debug statement in task_sessions controller.update
Date display on task_sessions index and edit page fixed. Default date of
form is correctly being set (today is @task_session.date == nil, else
the date of the task session)
Populated with more seed data
UI: Increasing height of text input for sign up page
UI: Fixing small CSS bug
Removed foundation and fixed up boostrap installation. Application
layout has been cleaned up
Fixed seeds.rb file so it works now. rake db:seed works