Update images

[shaunagm]

The game only uses PNG images; here are the instances (2 files): $ fgrep -i png _java */_java`

Senet.java: javax.swing.ImageIcon titlebaricon = new javax.swing.ImageIcon(loadBytes("data\\img\\ankhIcon.png"));

Senet.java: standard.GetWinner("lightwins.png");

Senet.java: standard.GetWinner("darkwins.png");

Senet.java: DrawImage("data\\img\\ankh.png",5 * rectWidth,rectHeight * 1);

Senet.java: DrawImage("data\\img\\vulture.png",5 * rectWidth,rectHeight * 2);

Senet.java: DrawImage("data\\img\\water.png",6 * rectWidth,rectHeight * 2);

Senet.java: DrawImage("data\\img\\stones.png",7 * rectWidth,rectHeight * 2);

Senet.java: DrawImage("data\\img\\eye.png",8 * rectWidth,rectHeight * 2);

menu src/MenuFrame.java: setIconImage(new javax.swing.ImageIcon(getClass().getResource("/ankhIcon.png")).getImage());

menu src/MenuFrame.java: jLabel1.setIcon(new javax.swing.ImageIcon(getClass().getResource("/hiero1.png"))); // NOI18N

menu src/MenuFrame.java: jLabel2.setIcon(new javax.swing.ImageIcon(getClass().getResource("/hiero2.png"))); // NOI18N

menu src/MenuFrame.java: jLabel3.setIcon(new javax.swing.ImageIcon(getClass().getResource("/title.PNG"))); // NOI18N

menu src/MenuFrame.java: aboutLabel.setIcon(new javax.swing.ImageIcon(getClass().getResource("/aboutImage.PNG"))); // NOI18N