tasks, edit task, delete task, nested form etc.
fix tasks, restore pass
uncomment share project
build project_user
add user to project
add pry gem
Merge branch 'frontend' of https://github.com/vkrotkikh/taskmanager into frontend

Conflicts:
	app/controllers/projects_controller.rb
add user to projects, edit user profile
Share User fixes
Merge pull request #15 from vkrotkikh/frontend

share users
Merge pull request #16 from vkrotkikh/dev

share users and nested form