Prepare to merge 5.4 from releases back into dev

rtdata/images/rt_splash.svg

@@ -517,9 +517,9 @@
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      inkscape:pageopacity="0.0"
      inkscape:pageshadow="2"
-     inkscape:zoom="1.5681835"
-     inkscape:cx="427.50017"
-     inkscape:cy="87.101745"
+     inkscape:zoom="1.4142136"
+     inkscape:cx="366.55779"
+     inkscape:cy="87.326779"
      inkscape:document-units="px"
      inkscape:current-layer="layer1"
      showgrid="false"
@@ -902,7 +902,7 @@
          y="2.2370076"
          x="283.85016"
          id="tspan3664"
-         sodipodi:role="line">. 4</tspan></text>
+         sodipodi:role="line">. 5</tspan></text>
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@@ -910,6 +910,23 @@
        height="9.4604874"
        x="153.45833"
        y="279.20517" />
+    <g
+       style="fill:#ffffff;enable-background:new"
+       transform="matrix(0.24804687,0,0,0.2480469,-16.632726,273.1232)"
+       id="g1249">
+      <text
+         transform="skewX(3)"
+         id="text1247"
+         y="49.720543"
+         x="596.36224"
+         style="font-style:normal;font-weight:normal;font-size:12.80000019px;line-height:0%;font-family:sans-serif;text-align:end;letter-spacing:-1.06666672px;word-spacing:0px;text-anchor:end;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:1.06666672px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+         xml:space="preserve"><tspan
+           style="font-style:normal;font-variant:normal;font-weight:bold;font-stretch:normal;font-size:17.06666565px;line-height:110.00000238%;font-family:'ITC Eras Std';-inkscape-font-specification:'ITC Eras Std Bold';text-align:end;letter-spacing:-1.06666672px;text-anchor:end;fill:#ffffff;stroke-width:1.06666672px"
+           y="49.720543"
+           x="595.29559"
+           sodipodi:role="line"
+           id="tspan1245">Development</tspan></text>
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@@ -925,7 +942,7 @@
            sodipodi:role="line"
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 </svg>

rtdata/languages/Czech

@@ -2243,3 +2243,4 @@ ZOOMPANEL_ZOOMFITCROPSCREEN;Přizpůsobit ořez obrazovce\nZkratka: <b>f</b>
 ZOOMPANEL_ZOOMFITSCREEN;Přizpůsobit celý obrázek obrazovce\nZkratka: <b>Alt</b>-<b>f</b>
 ZOOMPANEL_ZOOMIN;Přiblížit\nZkratka: <b>+</b>
 ZOOMPANEL_ZOOMOUT;Oddálit\nZkratka: <b>-</b>
+