Fix for issue 1007

_clang-format file and applied to HelloWorld.cpp
usage:
clang-format -style=file -i examples/HelloWorld/HelloWorld.cpp
THere are still some issues with clang-format and its style

_clang-format

@@ -0,0 +1,90 @@
+---
+Language:        Cpp
+# BasedOnStyle:  Google
+AccessModifierOffset: -1
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlinesLeft: true
+AlignOperands:   true
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: true
+AllowShortLoopsOnASingleLine: true
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: true
+AlwaysBreakTemplateDeclarations: true
+BinPackArguments: true
+BinPackParameters: true
+BraceWrapping:   
+  AfterClass:      false
+  AfterControlStatement: false
+  AfterEnum:       false
+  AfterFunction:   false
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     false
+  AfterUnion:      false
+  BeforeCatch:     false
+  BeforeElse:      false
+  IndentBraces:    false
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Allman
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+ColumnLimit:     0
+CommentPragmas:  '^ IWYU pragma:'
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
+DerivePointerAlignment: true
+DisableFormat:   false
+ExperimentalAutoDetectBinPacking: false
+ForEachMacros:   [ foreach, Q_FOREACH, BOOST_FOREACH ]
+IncludeCategories: 
+  - Regex:           '^<.*\.h>'
+    Priority:        1
+  - Regex:           '^<.*'
+    Priority:        2
+  - Regex:           '.*'
+    Priority:        3
+IndentCaseLabels: true
+IndentWidth:     4
+IndentWrappedFunctionNames: false
+KeepEmptyLinesAtTheStartOfBlocks: false
+MacroBlockBegin: ''
+MacroBlockEnd:   ''
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+ObjCBlockIndentWidth: 2
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: false
+PenaltyBreakBeforeFirstCallParameter: 1
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 200
+PointerAlignment: Left
+ReflowComments:  false
+SortIncludes:    false
+SpaceAfterCStyleCast: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeParens: ControlStatements
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 2
+SpacesInAngles:  false
+SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard:        Auto
+TabWidth:        4
+UseTab:          Always
+...
+

examples/HelloWorld/HelloWorld.cpp

@@ -48,7 +48,6 @@ int main(int argc, char** argv)
 	//make sure to re-use collision shapes among rigid bodies whenever possible!
 	btAlignedObjectArray<btCollisionShape*> collisionShapes;
 
-
 	///create a few basic rigid bodies
 
 	//the ground is a cube of side 100 at position y = -56.
@@ -80,7 +79,6 @@ int main(int argc, char** argv)
 		dynamicsWorld->addRigidBody(body);
 	}
 
-
 	{
 		//create a dynamic rigidbody
 
@@ -111,11 +109,8 @@ int main(int argc, char** argv)
 		dynamicsWorld->addRigidBody(body);
 	}
 
-
-
 	/// Do some simulation
 
-
 	///-----stepsimulation_start-----
 	for (i = 0; i < 150; i++)
 	{
@@ -130,8 +125,8 @@ int main(int argc, char** argv)
 			if (body && body->getMotionState())
 			{
 				body->getMotionState()->getWorldTransform(trans);
-
-			} else
+			}
+			else
 			{
 				trans = obj->getWorldTransform();
 			}
@@ -183,4 +178,3 @@ int main(int argc, char** argv)
 	//next line is optional: it will be cleared by the destructor when the array goes out of scope
 	collisionShapes.clear();
 }
-