Paginate posts for home page

- Configurejekyll-paginate
- Modify home page to include paginator loop
- Add pagination include and basic styling
- Add " - page #" to <title></tile> for SEO benefits

_includes/seo

@@ -16,7 +16,7 @@
   {% assign canonical_url = page.url | replace: "index.html", "" | prepend: site.url %}
 {% endif %}
 
-<title>{{ seo_title | default: site.title }}</title>
+<title>{{ seo_title | default: site.title }}{% if paginator %}{% unless paginator.page == 1 %} {{ site.title_separator }} page {{ paginator.page }}{% endunless %}{% endif %}</title>
 
 {% assign seo_description = page.description | default: page.excerpt | default: site.description %}
 {% if seo_description %}