IDE-1122

Let the progress monitor display message about ivy downloading and
resolving artifacts(particularly the first time the plugins-sdk is used it
can take sevaral minutes), in case users mistakenly think the IDE is
blocked.

Signed-off-by: Gregory Amerson <gregory.amerson@liferay.com>
IDE-1071

Add a new boolean field called "Deprecated" in ServiceBuilder editor's entity
elements to specify whether the entity's services are deprecated.