v1.5.9
docs(*): correct bower version separator (@ --> #)
chore(docs): include attribute type in directive usage
chore(docs): improve error doc layout and linking
style: fix whitespace issues
docs(tutorial): update to use `v1.5.x` and best practices
chore(docs): refactor the docs app search for better bootup time
chore(*): switch from JSHint/JSCS to ESLint
docs: allow plnkr links to open in new window