Make sure that .eggs directory is in gitignore

This patch changes *.egg and *.egg-info to *.egg* to cover both cases
that were existing before and also cover .eggs

Change-Id: I896d408a0c8f13352838bb4068a194ab5c4515cc

.gitignore

@@ -3,8 +3,7 @@ src/*
 build/*
 AUTHORS
 ChangeLog
-*.egg-info
-*.egg
+*.egg*
 .tox/*
 devenv/*
 cover