style improvements

- make torrent placeholder the exact size of a normal torrent
- make torrent list window minimum size of two torrents
- make window start out sized for 4 torrents
- increase font size responsively

main/windows.js

@@ -21,12 +21,12 @@ function createMainWindow (menu) {
     backgroundColor: '#282828',
     darkTheme: true, // Forces dark theme (GTK+3 only)
     minWidth: 375,
-    minHeight: 38 + (120 * 2), // header height + two torrents
+    minHeight: 38 + (120 * 2), // header height + 2 torrents
     show: false, // Hide window until DOM finishes loading
     title: config.APP_NAME,
     titleBarStyle: 'hidden-inset', // Hide OS chrome, except traffic light buttons (OS X)
     width: 450,
-    height: 600
+    height: 38 + (120 * 4) // header height + 4 torrents
   })
   win.loadURL(config.INDEX)