Update README.txt. Create a section on How to Contribute to make new contributor's life easier. Also create a header section with ZooKeeper logo to make us look cool again.
Update README.txt.
Create a section on How to Contribute to make new contributor's life easier. Also create a header section with ZooKeeper logo to make us look cool again.

JiangJiafu/zookeeper,kfirlevari/zookeeper,maoling/zookeeper,ralgond/paxoskeeper,maoling/zookeeper,maoling/zookeeper,Obsidian-StudiosInc/zookeeper,maoling/zookeeper,JiangJiafu/zookeeper,Obsidian-StudiosInc/zookeeper,kfirlevari/zookeeper,Obsidian-StudiosInc/zookeeper,JiangJiafu/zookeeper,kfirlevari/zookeeper,ralgond/paxoskeeper,apache/zookeeper,hanm/zookeeper,arshadmohammad/zookeeper,Obsidian-StudiosInc/zookeeper,apache/zookeeper,hanm/zookeeper,JiangJiafu/zookeeper,arshadmohammad/zookeeper,apache/zookeeper,kfirlevari/zookeeper,hanm/zookeeper,apache/zookeeper,apache/zookeeper,ralgond/paxoskeeper,arshadmohammad/zookeeper,hanm/zookeeper,maoling/zookeeper,kfirlevari/zookeeper,JiangJiafu/zookeeper,maoling/zookeeper,maoling/zookeeper,kfirlevari/zookeeper,kfirlevari/zookeeper,ralgond/paxoskeeper,kfirlevari/zookeeper,ralgond/paxoskeeper,ralgond/paxoskeeper,apache/zookeeper,maoling/zookeeper,hanm/zookeeper,Obsidian-StudiosInc/zookeeper,arshadmohammad/zookeeper,apache/zookeeper,arshadmohammad/zookeeper,JiangJiafu/zookeeper,hanm/zookeeper,Obsidian-StudiosInc/zookeeper,ralgond/paxoskeeper,ralgond/paxoskeeper,ralgond/paxoskeeper,arshadmohammad/zookeeper,apache/zookeeper,JiangJiafu/zookeeper,hanm/zookeeper,arshadmohammad/zookeeper,Obsidian-StudiosInc/zookeeper,hanm/zookeeper,Obsidian-StudiosInc/zookeeper,JiangJiafu/zookeeper,Obsidian-StudiosInc/zookeeper,arshadmohammad/zookeeper,kfirlevari/zookeeper,JiangJiafu/zookeeper