modified application.rb according to the presentation
modified Gemfile
for test directory
generated and modified according to associations
generated and modified according to associations
rspec generated files
generated for test files
git ignore file
made little fixes in user.rb, task.rb and config/application.rb
uncommented config in config/application.rb
Merge branch 'master' into dev

Conflicts:
	Gemfile
	Gemfile.lock
	app/models/project.rb
	app/models/task.rb
	app/models/user.rb
	config/database.yml
	db/schema.rb
Merge pull request #1 from vkrotkikh/dev

attempt to create dev branch