Semantic: When site is package search for type or package
Semantic: remove env parameter for resolution in package
Search for correct symbol type and resolve method/var in static import
SONARJAVA-738 resolve fully qualified names

Some checks have been improved because of detection of fully qualified name
SONARJAVA-743 MethodInvocationTree type is return type of invocated method

Type was method type.
Fix Check PrintStackTrace.
Display types and ref info between symbols in PrinterVisitor