Small release for bug fixes and minor tweaks

The documentation has been updated with many missing properties from the last large update.

• Alerts now default to their v-model value, which if undefined will hide the alert by default.
• 8f71913 Added missing preventDefault for tab-item
• 00a4d63 Added missing toolbar disabled style
• #142 Fixed a bug where tooltips on buttons were not working properly. Added back text-transform stylus variable. 5bed86a 6e5dbf1
• #143 Modal click-outside can now be disabled with persistent a7a071c
• #141 Added append/replace prop support for all router-links. Added nuxt-link support 874eb29