Restructure settings.py.example

Add help text to State model
Remove navbar group headings
Fix registration email pluralization
Group memberships on state admin page
Attempt to prevent resetting of state if set on profile admin manually
Embed readthedocs on help page
Rename CorpStats API Index to Registration Index
Default corputils view to main character's corp if available
Correct Application characters listing
Correct string coercion of optimers
Improve readability of SRP values with intcomma
Beautify tables by embeding in panels
Replace slugify with py3-friendly python-slugify

authentication/templates/registered/base.html

@@ -80,10 +80,6 @@
             <div class="navbar-default sidebar auth-sidebar" role="navigation">
                 <div class="sidebar-nav navbar-collapse">
                     <ul class="nav" id="side-menu">
-                        <li class="text-center divider-horizontal">
-                            <h5>{% trans "Main Navigation" %}</h5>
-                        </li>
-
                         <li>
                             <a class="{% navactive request 'authentication:dashboard' %}" href="{% url 'authentication:dashboard' %}">
                                 <i class="fa fa-dashboard fa-fw grayiconecolor"></i>{% trans " Dashboard" %}
@@ -101,9 +97,6 @@
                         </li>
                         {% menu_main %}
 
-                        <li class="text-center divider-horizontal">
-                            <h5>{% trans "Aux Navigation" %}</h5>
-                        </li>
 
                         <li>
                             <a class="{% navactive request 'auth_services' %}" href="{% url 'auth_services' %}">

authentication/templates/registration/activation_email.txt

@@ -4,6 +4,6 @@ If this was you, please go to the following URL to confirm your email address:
 
 {{ url }}
 
-This link will expire in {{ expiration_days }} day{{ plural }}.
+This link will expire in {{ expiration_days }} day(s).
 
 If this was not you, it is safe to ignore this email.