make sure green UI elements use the same green

customize.dist/src/less/toolbar.less

@@ -23,6 +23,8 @@
 }
 
 .cryptpad-toolbar {
+    @toolbar-green: #5cb85c;
+
     box-sizing: border-box;
     padding: 0px 6px;
 
@@ -43,8 +45,8 @@
         &#shareButton {
             // Bootstrap 4 colors
             color: #fff;
-            background: #5cb85c;
+            background: @toolbar-green;
-            border-color: #5cb85c;
+            border-color: @toolbar-green;
             &:hover {
                 background: #449d44;
                 border: 1px solid #419641;
@@ -144,14 +146,14 @@
         &.lag3 {
             .bar4 { .clag(); }
             span {
-                background-color: green;
+                background-color: @toolbar-green;
-                border-color: green;
+                border-color: @toolbar-green;
             }
         }
         &.lag4 {
             span {
-                background-color: green;
+                background-color: @toolbar-green;
-                border-color: green;
+                border-color: @toolbar-green;
             }
         }
     }

customize.dist/toolbar.css

@@ -222,12 +222,12 @@
   background: transparent;
 }
 .cryptpad-toolbar #newLag.lag3 span {
-  background-color: green;
+  background-color: #5cb85c;
-  border-color: green;
+  border-color: #5cb85c;
 }
 .cryptpad-toolbar #newLag.lag4 span {
-  background-color: green;
+  background-color: #5cb85c;
-  border-color: green;
+  border-color: #5cb85c;
 }
 .cryptpad-toolbar div {
   white-space: normal;

customize.dist/translations/messages.fr.js

@@ -367,7 +367,7 @@ define(function () {
         '<span style="font-size:18px;"><p>',
         'Voici <strong>CryptPad</strong>, l\'éditeur collaboratif en temps-réel Zero Knowledge. Tout est sauvegardé dés que vous le tapez.',
         '<br>',
-        'Partagez le lien vers ce pad avec des amis ou utilisez le bouton <span style="background-color:#449d44;color:#ffffff;">&nbsp;Partager&nbsp;</span> pour obtenir le <em>lien de lecture-seule</em>, qui permet la lecture mais non la modification.',
+        'Partagez le lien vers ce pad avec des amis ou utilisez le bouton <span style="background-color:#5cb85c;color:#ffffff;">&nbsp;Partager&nbsp;</span> pour obtenir le <em>lien de lecture-seule</em>, qui permet la lecture mais non la modification.',
         '</p>',
         '<p><span style="color:#808080; font-size: 18px;">',
         '<em>',

customize.dist/translations/messages.js

@@ -375,7 +375,7 @@ define(function () {
         '<span style="font-size:18px;"><p>',
         'This is&nbsp;<strong>CryptPad</strong>, the Zero Knowledge realtime collaborative editor. Everything is saved as you type.',
         '<br>',
-        'Share the link to this pad to edit with friends or use the <span style="background-color:#449d44;color:#ffffff;">&nbsp;Share&nbsp;</span> button to share a <em>read-only link</em>&nbsp;which allows viewing but not editing.',
+        'Share the link to this pad to edit with friends or use the <span style="background-color:#5cb85c;color:#ffffff;">&nbsp;Share&nbsp;</span> button to share a <em>read-only link</em>&nbsp;which allows viewing but not editing.',
         '</p>',
 
         '<p><span style="color:#808080;"><em>',