Remove hostname limit size (#576, #659)

code/html/index.html

@@ -277,7 +277,7 @@
 
                                 <div class="pure-g">
                                     <label class="pure-u-1 pure-u-lg-1-4">Hostname</label>
-                                    <input name="hostname" class="pure-u-1 pure-u-lg-1-4" maxlength="14" type="text" action="reboot" tabindex="1" />
+                                    <input name="hostname" class="pure-u-1 pure-u-lg-1-4" type="text" action="reboot" tabindex="1" />
                                     <div class="pure-u-0 pure-u-lg-1-2"></div>
                                     <div class="pure-u-0 pure-u-lg-1-4"></div>
                                     <div class="pure-u-1 pure-u-lg-3-4 hint">