Merge branch 'release/0.5.0' into develop
fix(filter): select only one item in single selection mode

close #15
fix(bower): update dependency to w11k-dropdownToggle

close #14
feat(styling): add LESS support
chore(gitignore): add temp
chore(project): bump version to 0.6.0
docs(changelog): update changelog
Merge branch 'release/0.6.0'