chore(build): remove license from copy:release
doc(readme): fix directive name - w11k-dropdown-toggle instead of ww-dropdown-toggle
fix(directive): fix memory leak on scope destroy

If dropdown is open when scope is being destroyed the DOM event handlers on the document will not be removed until now.
chore(project): bump version to 0.1.1
docs(changelog): update changelog
Merge branch 'hotfix/0.1.1'