don't cache synthetic method IR / DU in ExplicitNodes
organize imports
Variety of changes to JS front end.

- crash fixes
- small enhancements to prologue and preamble
- tighter handling of timeouts during CG construction
Merge branch 'master'

Conflicts:
	com.ibm.wala.cast.java/src/com/ibm/wala/cast/java/loader/JavaSourceLoaderImpl.java
	com.ibm.wala.cast.js.rhino.test/harness-src/com/ibm/wala/cast/js/test/TestSimpleCallGraphShapeRhino.java
	com.ibm.wala.cast.js.rhino.test/harness-src/com/ibm/wala/cast/js/test/TestSimplePageCallGraphShapeRhino.java
	com.ibm.wala.cast.js.rhino.test/harness-src/com/ibm/wala/cast/js/test/TestSimplePageCallGraphShapeRhinoJericho.java
	com.ibm.wala.cast.js.rhino.test/harness-src/com/ibm/wala/cast/js/vis/JsViewerDriver.java
	com.ibm.wala.cast.js.test/harness-src/com/ibm/wala/cast/js/test/TestSimpleCallGraphShape.java
	com.ibm.wala.cast.js/source/com/ibm/wala/cast/js/loader/JavaScriptLoader.java
	com.ibm.wala.cast/source/java/com/ibm/wala/cast/tree/CAstEntity.java
delete files
update ignores
Expose temporary file created by source extractor.  Fixes #19
Set all projects to build against Java 6; no semantic change.  Fixes #20
fixes for bug with dead code and exception handlers
test file for dead code with exception handlers
update build prefs to allow for referencing restricted libs
add parse_error.js to excluded paths to get rid of compile error
fix potential NPE in AbstractRootMethod.addAllocation()
Merge commit 'f3113f99f5ddf4268e8b73189f311cbd63bf4526'
Change WalaViewer to be a subclass of JPanel

This allows me to embed it into SWT where I want to visualize the
pointer analysis (using JDTSourceAnalysis so we need to run it from
an instance of Eclipse).