Remove endpoint.default references from library servlet and sample
framework.
Return Abstract library totally to how it was before defaultEndpoint.
Remove defaultEndpoint references from the js files.
Merge remote-tracking branch 'francis/PreHackDay' into hackday

Conflicts:
	samples/j2ee/com.ibm.sbt.sample.web/WebContent/home.jsp
	samples/j2ee/com.ibm.sbt.sample.web/WebContent/java.jsp
	samples/j2ee/com.ibm.sbt.sample.web/WebContent/javascript.jsp
	src/eclipse/plugins/com.ibm.sbt.playground/src/com/ibm/sbt/sample/web/util/Util.java
	src/j2ee/com.ibm.sbt.web/WebContent/js/sdk/sbt/connections/controls/files/FileGrid.js
removed endpoint configuration point