Fix defect with boolean operator and include

_includes/social_links/dribbble.html

@@ -1 +1 @@
-<a href="https://dribbble.com/{{ include.username || site.dribbble_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#dribbble"></use></svg> <span class="username">{{ site.dribbble_username }}</span></a>
+<a href="https://dribbble.com/{{ site.dribbble_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#dribbble"></use></svg> <span class="username">{{ site.dribbble_username }}</span></a>

_includes/social_links/facebook.html

@@ -1 +1 @@
-<a href="https://www.facebook.com/{{ include.username || site.facebook_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#facebook"></use></svg> <span class="username">{{ site.facebook_username }}</span></a>
+<a href="https://www.facebook.com/{{ site.facebook_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#facebook"></use></svg> <span class="username">{{ site.facebook_username }}</span></a>

_includes/social_links/flickr.html

@@ -1 +1 @@
-<a href="https://www.flickr.com/{{ include.username || site.flickr_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#flickr"></use></svg> <span class="username">{{ site.flickr_username }}</span></a>
+<a href="https://www.flickr.com/{{ site.flickr_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#flickr"></use></svg> <span class="username">{{ site.flickr_username }}</span></a>

_includes/social_links/github.html

@@ -1 +1 @@
-<a href="https://github.com/{{ include.username || site.github_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#github"></use></svg> <span class="username">{{ site.github_username }}</span></a>
+<a href="https://github.com/{{ site.github_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#github"></use></svg> <span class="username">{{ site.github_username }}</span></a>

_includes/social_links/googleplus.html

@@ -1 +1 @@
-<a href="https://plus.google.com/{{ include.username || site.googleplus_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#googleplus"></use></svg> <span class="username">{{ site.googleplus_username }}</span></a>
+<a href="https://plus.google.com/{{ site.googleplus_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#googleplus"></use></svg> <span class="username">{{ site.googleplus_username }}</span></a>

_includes/social_links/instagram.html

@@ -1 +1 @@
-<a href="https://instagram.com/{{ include.username || site.instagram_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#instagram"></use></svg> <span class="username">{{ site.instagram_username }}</span></a>
+<a href="https://instagram.com/{{ site.instagram_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#instagram"></use></svg> <span class="username">{{ site.instagram_username }}</span></a>

_includes/social_links/linkedin.html

@@ -1 +1 @@
-<a href="https://www.linkedin.com/in/{{ include.username || site.linkedin_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#linkedin"></use></svg> <span class="username">{{ site.linkedin_username }}</span></a>
+<a href="https://www.linkedin.com/in/{{ site.linkedin_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#linkedin"></use></svg> <span class="username">{{ site.linkedin_username }}</span></a>

_includes/social_links/pinterest.html

@@ -1 +1 @@
-<a href="https://www.pinterest.com/{{ include.username || site.pinterest_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#pinterest"></use></svg> <span class="username">{{ site.pinterest_username }}</span></a>
+<a href="https://www.pinterest.com/{{ site.pinterest_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#pinterest"></use></svg> <span class="username">{{ site.pinterest_username }}</span></a>

_includes/social_links/stackoverflow.html

@@ -1 +1 @@
-<a href="https://stackoverflow.com/{{ include.username || site.stackoverflow_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#stackoverflow"></use></svg> <span class="username">{{ site.stackoverflow_username }}</span></a>
+<a href="https://stackoverflow.com/{{ site.stackoverflow_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#stackoverflow"></use></svg> <span class="username">{{ site.stackoverflow_username }}</span></a>

_includes/social_links/twitter.html

@@ -1 +1 @@
-<a href="https://www.twitter.com/{{ include.username || site.twitter_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#twitter"></use></svg> <span class="username">{{ site.twitter_username }}</span></a>
+<a href="https://www.twitter.com/{{ site.twitter_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#twitter"></use></svg> <span class="username">{{ site.twitter_username }}</span></a>

_includes/social_links/youtube.html

@@ -1 +1 @@
-<a href="https://youtube.com/{{ include.username || site.youtube_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#youtube"></use></svg> <span class="username">{{ site.youtube_username }}</span></a>
+<a href="https://youtube.com/{{ site.youtube_username }}"><svg class="svg-icon" xmlns="http://www.w3.org/2000/svg"><use xlink:href="/assets/icons.svg#youtube"></use></svg> <span class="username">{{ site.youtube_username }}</span></a>