cppcheck warnings for Arx in branch master

• ctunullpointer (1 | =)
• ctuuninitvar (1 | =)
• danglingTemporaryLifetime (1 | =)
• duplicateAssignExpression (1 | =)
• duplicateConditionalAssign (1 | =)
• identicalInnerCondition (1 | =)
• integerOverflow (1 | =)
• invalidLifetime (1 | =)
• mismatchingContainers (1 | =)
• noCopyConstructor (1 | =)
• noOperatorEq (1 | =)
• operatorEqRetRefThis (1 | =)
• redundantInitialization (1 | =)
• returnDanglingLifetime (1 | =)
• shiftTooManyBitsSigned (1 | =)
• useInitializationList (1 | =)
• virtualCallInConstructor (1 | =)
• arrayIndexOutOfBoundsCond (2 | =)
• badBitmaskCheck (2 | =)
• ctuOneDefinitionRuleViolation (2 | =)
• legacyUninitvar (2 | =)
• missingReturn (2 | =)
• uninitStructMember (2 | =)
• unknownMacro (2 | =)
• passedByValue (3 | =)
• unsignedPositive (3 | +3)
• noConstructor (4 | =)
• constParameter (5 | -1)
• unreadVariable (5 | =)
• unassignedVariable (6 | =)
• unusedStructMember (9 | =)
• memsetClassFloat (10 | =)
• cppcheckError (16 | =)
• knownConditionTrueFalse (20 | +2 -2)
• shadowFunction (26 | =)
• uninitMemberVar (38 | =)
• duplInheritedMember (40 | =)
• useStlAlgorithm (84 | +2)