Added a recipe for counting number of lines in a dataset
Fixed a typo. Added a recipe.
Added a recipe for date dimensions
Merge branch 'master' of github.com:gooddata/gooddata-ruby-examples into book
New book version
Merge pull request #2 from gooddata/clean

New book version
Merge branch 'master' of github.com:gooddata/gooddata-ruby-examples into book

Conflicts:
	book.html