Added .gitignore

Ignore private and build

Author: Boris Perović

.gitignore

@@ -0,0 +1,22 @@
+/nbproject/private/
+/UMLFileTypes/nbproject/private/
+/JavaParser/nbproject/private/
+/UMLVisual/nbproject/private/
+/UMLModel/nbproject/private/
+/dom4j/nbproject/private/
+/UMLCodeGenerator/nbproject/private/
+/UMLExplorer/nbproject/private/
+/UMLReverseEngineering/nbproject/private/
+/UMLProjectType/nbproject/private/
+/easyUML/nbproject/private/
+/build/
+/JavaParser/build/
+/UMLModel/build/
+/dom4j/build/
+/UMLExplorer/build/
+/UMLVisual/build/
+/UMLFileTypes/build/
+/UMLProjectType/build/
+/easyUML/build/
+/UMLCodeGenerator/build/
+/UMLReverseEngineering/build/