minor updates according to the lecture
Change reamde
Merge pull request #3 from stas-tanko/andrew1

Change reamde
updated readme file
Add gems to gemfile
Merge pull request #7 from stas-tanko/andrew1

Add gems to gemfile
Created boards and users tables with associations. Created factories. Created tests for factories
Add seeds
Merge pull request #8 from stas-tanko/andrew1

Andrew1
added model for categories
implemented categories, labels and tasks
Merge pull request #9 from stas-tanko/stas

Stas
add comments, checklists and attachments
Merge branch 'alex' of https://github.com/kholdrex/iota-project into alex