Update readme.md
Update readme.md
	modified:   View/Helper/RatingHelper.php
Merge pull request #16 from selukov/develop

	modified:   View/Helper/RatingHelper.php
Adding group conditional for calculateRating works properly with postgresql

psql error:
ERROR:  column \"%Model%.id\" must appear in the GROUP BY clause or be used in an aggregate function
Fixing php 5.4 strict errors
Fixing the RatingHelperTest.php
Refs working on the tests
fix failed tests
Fixed the RatingsComponentTest and adding travis config file
Updating copyright year
Fixing Travis file
Fixing travis file
2.x fixes
move test files
update tests
update
add assets