hg: openjfx/8u-dev/rt: RT-39826: Replace sun.misc.BASE64* with java.util.Base64

[kevin.rushforth at oracle.com]

Changeset: e02e66310dec
Author:    kcr
Date:      2015-02-18 08:26 -0800
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/e02e66310dec

RT-39826: Replace sun.misc.BASE64* with java.util.Base64
Reviewed-by: ant, ddhill

! modules/web/src/main/java/com/sun/javafx/webkit/prism/PrismImage.java
! modules/web/src/main/java/com/sun/webkit/network/data/DataURLConnection.java
! modules/web/src/main/java/javafx/scene/web/WebEngine.java
+ modules/web/src/test/java/javafx/scene/web/ImageToDataURLTest.java