Merge pull request #172 from aki-nishimura/master

Address deprecation warnings and Liquid related errors.

Author: staeiou

_config.yml

@@ -255,7 +255,7 @@ timezone: America/Los_Angeles # http://en.wikipedia.org/wiki/List_of_tz_database
 
 
 # Plugins
-gems:
+plugins:
   - jekyll-paginate
   - jekyll-sitemap
   - jekyll-gist

_layouts/talk.html

@@ -4,7 +4,7 @@
 
 {% include base_path %}
 
-{% if (page.header.overlay_color or page.header.overlay_image) or page.header.image %}
+{% if page.header.overlay_color or page.header.overlay_image or page.header.image %}
   {% include page__hero.html %}
 {% endif %}
 

_sass/vendor/susy/susy/output/support/_support.scss

@@ -67,7 +67,7 @@
 
     @each $_type, $_req in $requirements {
       @each $_i in $_req {
-        $_pass: call(unquote("#{$_type}-exists"), $_i);
+        $_pass: call(get-function(unquote("#{$_type}-exists")), $_i);
 
         @if not($_pass) {
           $_fail: true;