Merge pull request #2 from stvvt/master

Update README.md
Add additional information in homework
Merge branch 'master' of github.com:HackBulgaria/AngularJS-1

* 'master' of github.com:HackBulgaria/AngularJS-1:
  Update README.md
Change scope with provider
Add provider slide
Add gitignore
Update readme with slides instructions
Update readme and slide
Fix the description of the task
Add extra information in readme
Add provider's implementation
Update readme for providers
Update the scope description
Add additional directives explanations
Add day3 and day4
Lower to uppercase
Add exercise for day 5
Remove useless files
Add slides for day4
Add link to controllers