Added files (java and xml) for the refactoring "pull up method" for
file-ast
Added testPackageDeclarationWithPullUpMethodHaveNotTheSameHashcode()
Added files (java and xml) for the refactoring "pull up method" for
instancevariable-ast.
Added testExplicitInitializationWithPullUpMethod()
Added files (java and xml) for the refactoring "pull up method" for the
namepackage-ast.
Added testPackageNameWithPullUpMethod()
Added files (java and xml) for "pull up method" for the file-ast
Added testPackageDeclarationWithExtractMethodHaveNotTheSameHashcode()
Added files (java and xml) for "extract method" for instancevariable-ast
Added testExplicitInitializationWithExtractMethod()
Added files (java and xml) for "extract method" for NamePackageAst
Added testExplicitInitializationWithExtractMethod()
Added files (java and xml) for "extract method" for methodAst. They are
used to show that it will calculate the same the hashcode
Added testMethodNameWithExtractMethod()
Added files (java and xml) for "extract method" for methodAst
Added testMethodNameWithExtractMethodHaveNotTheSameHashcode()