IDE-1514 Move the ATTR_USERNAME and ATTR_PASSWORD to ILiferayServer from IRemoteServer for all Liferay Server (Liferay tomcat server etc..)
STUDIO-335 Add the DefaultHttpClient when the username and password be null.
STUDIO-336 Add the string that "username:password" by base64 encoding to getHttpResponse function
STUDIO-336 upgrade commons-codec.jar's vesion from 1.3 to 1.4
IDE-1436 Upgrade wizard for  6.x plugin projects to upgrade to 6.2

1.add AlloyUI Upgrade sapphire wizard
2.to perform runtime, dtd, rebuild service builder, alloy ui tool.
IDE-1436 Source formatting