Update status icons.

bigbluebutton-client/locale/en_US/bbbResources.properties

bigbluebutton-client/src/org/bigbluebutton/common/Images.as

...src/org/bigbluebutton/common/assets/images/emoji_away.png

...org/bigbluebutton/common/assets/images/emoji_confused.png

...rc/org/bigbluebutton/common/assets/images/emoji_happy.png

.../org/bigbluebutton/common/assets/images/emoji_neutral.png

...rg/bigbluebutton/common/assets/images/emoji_raiseHand.png

.../src/org/bigbluebutton/common/assets/images/emoji_sad.png

...rc/org/bigbluebutton/common/assets/images/emoji_smile.png

.../org/bigbluebutton/common/assets/images/emoji_unhappy.png

...nt/src/org/bigbluebutton/modules/users/views/EmojiGrid.as