UI fixes

'light' theme (console & apps):
- Rework to reduce contrast (ticket #1996)
- Add custom radio/checkbox icons for Chrome/Blink

Console:
- Fix reseed failure notice overlap when "check connection" message shown
- Enhance presentation of console "error 500" messages
- Cosmetic tweaks to welcome page presentation, arabic welcome page tidyup
- Migrate .smallhead th class to tr to simplify markup
- Sidebar:
  - Remove "Congestion" from default sidebar (still present in default
    advanced sidebar)
  - Fix label wrapping issue with translations
  - Migrate sidepanel news section to tables to permit better control over
    wrapping and placement (ticket #1996)
  - Move news item dates to tooltips to lessen chance of headlines wrapping
    and cleanup presentation
  - Increase maximum length of local tunnel links in the sidebar (and handle
    overflow with CSS) to minimize chance of default tunnels display
    truncating in translations
  - Add the power off icon to sidebar restart button on hover to clarify
    button function (ticket #1996)
- /configadvanced: Move floodfill status to row above to remove unnecessary
  whitespace and cleanup UI
- /debug: Add debug icon to h2 headers to aid navigation
- /graphs: Improve presentation of graph images by removing rendered border
  and setting background color to better integrate with themes
- /home: Widen div.app to lessen chance of truncation (classic/midnight)
- /jars:
  - Minimize table overflow with conditional scaling of content
  - One-click select for revision, sha256 & unsigned mods
- /logs:
  - Reduce line/entry spacing for router and critical logs (#ticket 1996)
  - Multi-column view for changelog at >=1400px to address horizontal
    whitespace issue
- /netdb:
  - Multi-column display of Leases in LeaseSet tables
  - Better alignment of Lease elements, iconify gateway
  - Placeholder flag for unknown/unresolved peers for [flag+dest] combos to
    improve presentation / fix deadspace issue
- Chinese:
  - Fix alignment of table contents in /tunnels (classic)
  - Fix sidebar content display width (midnight)
  - Cosmetic fixes (all themes)

I2PTunnel:
- Ensure message log font scales proportionately
- Fix overflow issue with dropdowns in Chrome/blink (dark/midnight)

SusiDNS
- Reduce width of filter buttons to lessen chance of wrapping (ticket #1996)
- Add non-selectable items to improve copy/paste of hosts in address books
- Make dest addresses in host list only display scrollbar on focus to reduce
  screen clutter
- Hide broken imagegen images

SusiMail: Enhance presentation of 'postman' links on login panel

apps/routerconsole/java/src/net/i2p/router/web/SummaryHelper.java

@@ -45,16 +45,15 @@ public class SummaryHelper extends HelperBase {
     static final String DEFAULT_FULL =
         "HelpAndFAQ" + S +
         "ShortGeneral" + S +
-        "Bandwidth" + S +
         "UpdateStatus" + S +
-        "FirewallAndReseedStatus" + S +
+        "Bandwidth" + S +
         "NetworkReachability" + S +
+        "FirewallAndReseedStatus" + S +
         "I2PServices" + S +
         "I2PInternals" + S +
         "Peers" + S +
         "Tunnels" + S +
         "TunnelStatus" + S +
-        "Congestion" + S +
         "RestartStatus" + S +
         "Destinations" + S +
         "";
@@ -62,10 +61,10 @@ public class SummaryHelper extends HelperBase {
     static final String DEFAULT_FULL_ADVANCED =
         "HelpAndFAQ" + S +
         "ShortGeneral" + S +
-        "Bandwidth" + S +
         "UpdateStatus" + S +
-        "FirewallAndReseedStatus" + S +
+        "Bandwidth" + S +
         "NetworkReachability" + S +
+        "FirewallAndReseedStatus" + S +
         "I2PServices" + S +
         "I2PInternals" + S +
         "Advanced" + S +
@@ -80,11 +79,11 @@ public class SummaryHelper extends HelperBase {
     static final String DEFAULT_MINIMAL =
         "ShortGeneral" + S +
         "Bandwidth" + S +
-        "NewsHeadings" + S +
         "UpdateStatus" + S +
+        "NewsHeadings" + S +
         "NetworkReachability" + S +
-        "RestartStatus" + S +
         "FirewallAndReseedStatus" + S +
+        "RestartStatus" + S +
         "Destinations" + S +
         "";
 
@@ -516,10 +515,11 @@ public class SummaryHelper extends HelperBase {
                     buf.append("client.png\" alt=\"Client\" title=\"").append(_t("Client")).append("\">");
                 buf.append("</td><td align=\"left\"><b><a href=\"tunnels#").append(h.toBase64().substring(0,4));
                 buf.append("\" target=\"_top\" title=\"").append(_t("Show tunnels")).append("\">");
-                if (name.length() <= 20)
+                // Increase permitted max length of tunnel name & handle overflow with css
+                if (name.length() <= 32)
                     buf.append(DataHelper.escapeHTML(name));
                 else
-                    buf.append(DataHelper.escapeHTML(name.substring(0,18))).append("&hellip;");
+                    buf.append(DataHelper.escapeHTML(name.substring(0,29))).append("&hellip;");
                 buf.append("</a></b></td>\n");
                 LeaseSet ls = _context.netDb().lookupLeaseSetLocally(h);
                 if (ls != null && _context.tunnelManager().getOutboundClientTunnelCount(h) > 0) {