Pre-Origin Pull commit to store CanonicalImage and dumpNodes changes to remove PLSQL Scope case-sensitivity
Merge branch 'master' of https://github.com/sturton/pmd into HEAD

Conflicts:
	pmd/src/main/java/net/sourceforge/pmd/lang/plsql/symboltable/NameOccurrence.java
Support  FORCE keyword in CREATE OR REPLACE TYPE (from PLDoc bug-fix)
PLSQL: Alter Naming and Scope class changes to reflect adangel's refactoring
Set Image for BooleanLiteral and NullLiteral