Work on the user account system

Allow a user to modifies its name, username, initials, and password.

Fixes username handling on sandstorm.

Fixes #149.

client/components/users/userForm.styl

@@ -1,49 +1,50 @@
-.at-form-landing-logo
-  width: 275px
-  margin: auto
-  margin-top: 50px
-  margin-top: 17vh
-
-  img
+.auth-layout
+  .at-form-landing-logo
     width: 275px
+    margin: auto
+    margin-top: 50px
+    margin-top: 17vh
 
-.at-form
-  margin: auto
-  width: 275px
-  padding: 25px
-  margin-top: 20px
-  padding-bottom: 10px
-  background: #fff
-  border-radius: 3px
-  border: 1px solid #dbdbdb
-  border-bottom-color: #c2c2c2
-  box-shadow: 0 1px 6px rgba(0, 0, 0, .3)
+    img
+      width: 275px
 
-  .at-link
-    color: darken(#27AE60, 40%)
+  .at-form
+    margin: auto
+    width: 275px
+    padding: 25px
+    margin-top: 20px
+    padding-bottom: 10px
+    background: #fff
+    border-radius: 3px
+    border: 1px solid #dbdbdb
+    border-bottom-color: #c2c2c2
+    box-shadow: 0 1px 6px rgba(0, 0, 0, .3)
 
-  label
-    margin-bottom: 3px
+    .at-link
+      color: darken(#27AE60, 40%)
 
-  input
-    width: 100%
+    label
+      margin-bottom: 3px
 
-  .at-title
-    background: #F7F7F7
-    margin: -25px
-    padding: 15px 25px 5px
-    margin-bottom: 20px
-    border-bottom: 1px solid #dcdcdc
-    color: darken(white, 70%)
-    font-weight: bold
+    input
+      width: 100%
 
-  .at-signup-link,
-  .at-signin-link,
-  .at-forgotPwd
-    font-size: 0.9em
-    margin-top: 15px
-    color: darken(white, 70%)
-
-    .at-signUp,
-    .at-signIn
+    .at-title
+      background: #F7F7F7
+      margin: -25px
+      padding: 15px 25px 5px
+      margin-bottom: 20px
+      border-bottom: 1px solid #dcdcdc
+      color: darken(white, 70%)
       font-weight: bold
+
+    .at-signup-link,
+    .at-signin-link,
+    .at-forgotPwd
+      font-size: 0.9em
+      margin-top: 15px
+      color: darken(white, 70%)
+
+      .at-signUp,
+      .at-signIn
+        font-weight: bold