v0.5.2

Fixes

• add cdn references to docs
• fix card expand negative margin
• split documentation pages into multiple bundles
• remove menu scroll #242
• rename sidenav show method to open #238
• fire "selected" event when select changes #230
• fix grey/white theme colors #233
• improve the icon component documentation #226 (Thanks to @Nicolapps)
• fix mdTheme.vue filename case #252 (Thanks to @korylprince)
• fix version selector #240
• check initial value for multiple selects #245
• watch for dom changes on tab parent #248
• remove menu theming #253