Added ChangeLog to the .gitignore file

ChangeLog are quite handy to be used with Eclipse. These guys are only links to doc/release.notes

.gitignore

@@ -42,3 +42,24 @@ CPackConfig.cmake
 cmake_install.cmake
 GaudiConfig.cmake
 GaudiConfigVersion.cmake
+Gaudi/ChangeLog
+GaudiAlg/ChangeLog
+GaudiAud/ChangeLog
+GaudiCommonSvc/ChangeLog
+GaudiCoreSvc/ChangeLog
+GaudiExamples/ChangeLog
+GaudiGSL/ChangeLog
+GaudiKernel/ChangeLog
+GaudiMonitor/ChangeLog
+GaudiMP/ChangeLog
+GaudiPartProp/ChangeLog
+GaudiPolicy/ChangeLog
+GaudiProfiling/ChangeLog
+GaudiPython/ChangeLog
+GaudiRelease/ChangeLog
+GaudiSvc/ChangeLog
+GaudiSys/ChangeLog
+GaudiUtils/ChangeLog
+PartPropSvc/ChangeLog
+RootCnv/ChangeLog
+RootHistCnv/ChangeLog