some generics signatures and some serialVersionUIDs added
Merge remote-tracking branch 'origin/master'
more generics and missing serialVersionUIDs added
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main/java/com/sun/syndication/feed/atom/Entry.java
	src/main/java/com/sun/syndication/feed/atom/Feed.java
	src/main/java/com/sun/syndication/feed/impl/CloneableBean.java
	src/main/java/com/sun/syndication/feed/impl/CopyFromHelper.java
	src/main/java/com/sun/syndication/feed/impl/ToStringBean.java
	src/main/java/com/sun/syndication/io/impl/PluginManager.java
allow extended classes in CopyFrom