v1.5.2 w/ :before pseudo

updated several icons

rebuild v1.4.1

v1.4.0, added android icons

v1.3.7

added bug, edit, fork-repo, model-s, no-smoking, paper-airplane,
social-freebsd-devil, social-tux

remove version number from md5 build hash

do not auto-width animated icons

auto-width enabled, added ios7-close-empty

added ios7-close