Log message

Refactors JSNI parsing/error reporting from GenerateJavaAST to JsniCollector.

This is to prepare for making JsniCollector the soure of truth for JSNI parsing.

Review by: bobv

	Modify	/trunk/dev/core/src/com/google/gwt/dev/javac/ArtificialRescueChecker.java	diff
	Modify	/trunk/dev/core/src/com/google/gwt/dev/javac/BinaryTypeReferenceRestrictionsChecker.java	diff
	Modify	/trunk/dev/core/src/com/google/gwt/dev/javac/GWTProblem.java	diff
	Modify	/trunk/dev/core/src/com/google/gwt/dev/javac/JSORestrictionsChecker.java	diff
	Modify	/trunk/dev/core/src/com/google/gwt/dev/javac/JsniChecker.java	diff
	Modify	/trunk/dev/core/src/com/google/gwt/dev/javac/JsniCollector.java	diff
	Modify	/trunk/dev/core/src/com/google/gwt/dev/jdt/FindDeferredBindingSitesVisitor.java	diff
	Modify	/trunk/dev/core/src/com/google/gwt/dev/jjs/impl/BuildTypeMap.java	diff
	Modify	/trunk/dev/core/src/com/google/gwt/dev/jjs/impl/GenerateJavaAST.java	diff
	Modify	/trunk/dev/core/test/com/google/gwt/dev/javac/GWTProblemTest.java	diff