More heavy javadoc'n.

Conflicts:
	gwtbootstrap3/src/main/java/org/gwtbootstrap3/client/ui/HasHover.java
	gwtbootstrap3/src/main/java/org/gwtbootstrap3/client/ui/HasHref.java
	gwtbootstrap3/src/main/java/org/gwtbootstrap3/client/ui/HasId.java
	gwtbootstrap3/src/main/java/org/gwtbootstrap3/client/ui/HasSize.java
	gwtbootstrap3/src/main/java/org/gwtbootstrap3/client/ui/HasTargetHistoryToken.java
	gwtbootstrap3/src/main/java/org/gwtbootstrap3/client/ui/HasToggle.java
	gwtbootstrap3/src/main/java/org/gwtbootstrap3/client/ui/ThumbnailLink.java
	gwtbootstrap3/src/main/java/org/gwtbootstrap3/client/ui/Tooltip.java
	gwtbootstrap3/src/main/java/org/gwtbootstrap3/client/ui/UnorderedList.java
	gwtbootstrap3/src/main/java/org/gwtbootstrap3/client/ui/Well.java