Publish Vulpes Preview 15 sources for desktop, Android and Tundra

Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.

gaia/apps/wallpaper/style/wallpaper.css

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+* {
+  /**
+    By default do not allow any user text selection, only enable
+    for certain parts on a per-element/region area
+  */
+    -moz-user-select: none;
+}
+
+html, body {
+  margin: 0;
+  padding: 0;
+  font-size: 10px;
+  background-color: #000;
+  overflow: hidden;
+  height: 100%;
+}
+
+/* for the pick activity */
+#wallpapers {
+  overflow: auto;
+  height: calc(100% - 5rem);
+}
+
+.wallpaper {
+  position: relative;
+  overflow: hidden;
+  float: left;
+  width: 33%;
+  -moz-margin-end: 0.1rem;
+  margin-bottom: 0.1rem;
+}
+
+html[dir="rtl"] .wallpaper {
+  float: right;
+}
+
+#wallpapers .wallpaper:nth-child(3n) {
+  -moz-margin-end: 0;
+}
+
+/* for the share activity */
+#preview {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 100%;
+  height: 100%;
+  overflow:hidden;
+  /*
+   * The image positioning code in share.js assumes the preview image
+   * is positioned in the upper-left corner
+   */
+  direction: ltr;
+}
+
+#buttons {
+  -moz-box-sizing: border-box;
+  position: absolute;
+  bottom: 0;
+  left: 0;
+  width: 100%;
+  height: 7rem;
+  padding: 1.5rem 1rem;
+  font-size: 0;
+  white-space: nowrap;
+}
+
+#buttons button {
+  width: calc((100% - 2rem) / 2);
+  margin: 0 0.5rem;
+}
+