Improve donations in BitCoins:

+ offer more reasonable default amounts
+ provide addresses allowing SegWit transactions
+ preparation to provide Lightning transactions
+ provide QR codes for easier payment

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

donate.php

@@ -72,10 +72,11 @@ doHeader("Support Trinity", "Development", "Donations");
 			echo "	<p>\n";
 			echo "	<fieldset>\n";
 			echo "	<legend>Via BitCoin</legend>\n";
-			echo "		<a href=\"bitcoin:1H1RMzujpGC9wZPSjZ6hWqz4BxQ5dzhHti?amount=0.05&amp;label=Trinity%20Desktop%20Environment%20Donation\">Donate 50mBTC to TDE!</a><br />\n";
-			echo "		<b>Pay to:</b> 1H1RMzujpGC9wZPSjZ6hWqz4BxQ5dzhHti<br />\n";
-			echo "		<b>Suggestion:</b> 0.05 BTC<br />\n";
-			echo "		<b>Message:</b> Trinity Desktop Environment Donation\n";
+			echo "		Donate <a href='donate-btc0002' target='donate_btc'>0.2&nbsp;mBTC</a> &ndash; \n";
+			echo "		<a href='donate-btc0005' target='donate_btc'>0.5&nbsp;mBTC</a> &ndash; \n";
+			echo "		<a href='donate-btc001' target='donate_btc'>1&nbsp;mBTC</a> &ndash; \n";
+			echo "		<a href='donate-btc' target='donate_btc'>other&nbsp;mBTC</a> to TDE!<br />\n";
+			echo "		<iframe src='donate-btc0005' name='donate_btc' width='400' height='600' style='border:none;' title='Donate via BitCoin'></iframe><br />\n";
 			echo "	</fieldset>\n";
 			echo "	</p>\n";
 		}