ZOOKEEPER-1345. Add a .gitignore file with general exclusions and Eclipse project files excluded (Harsh J via phunt)

git-svn-id: https://svn.apache.org/repos/asf/zookeeper/branches/branch-3.3@1225936 13f79535-47bb-0310-9956-ffa450edef68

.gitignore

@@ -4,5 +4,7 @@
 .revision/
 .settings/
 build/
+src/c/generated/
+src/java/generated/
 src/java/lib/ant-eclipse-*
 src/java/lib/ivy-*