简化代码，修改ssh生成方式
	修改：      README.md
	修改：      all-in-one/conf-template/hadoop/conf/yarn-site.xml
	修改：      all-in-one/format.sh
	修改：      all-in-one/install.sh
	删除：      all-in-one/install.sh~
	删除：      cluster-install/edh/edh-id_rsa
	删除：      cluster-install/edh/edh-id_rsa.pub
	修改：      cluster-install/edh/installation.conf
	修改：      cluster-install/format.sh
	修改：      cluster-install/install.sh
	重命名：    cluster-install/install/cleanrepo.sh~ -> cluster-install/install/cleanrepo.sh
	重命名：    cluster-install/install/config_client.sh~ -> cluster-install/install/config_client.sh
	修改：      cluster-install/install/config_ntp_client.sh
	修改：      cluster-install/install/config_yum_client.sh
	修改：      cluster-install/install/config_yum_manager.sh
	删除：      cluster-install/install/copy_file.sh
	修改：      cluster-install/install/initvar.sh
	修改：      cluster-install/install/install_manager.sh
	删除：      cluster-install/install/install_manager.sh~
	删除：      cluster-install/install/readme.txt
	修改：      cluster-install/install/ssh_nopassword.exp
	修改：      cluster-install/start.sh
	修改：      cluster-install/temp.sh

 未跟踪的文件:
   （使用 "git add <file>..." 以包含要提交的内容）

	all-in-one/postgresql-9.1-901.jdbc4.jar
	all-in-one/uninstall.sh
	cluster-install/conf-template/hadoop/conf/core-site.xml
	cluster-install/conf-template/hadoop/conf/hdfs-site.xml
	cluster-install/conf-template/hadoop/conf/mapred-site.xml
	cluster-install/conf-template/hadoop/conf/yarn-site.xml
	cluster-install/conf-template/hbase/conf/hbase-site.xml
	cluster-install/conf-template/hive/conf/hive-site.xml
	cluster-install/install/cluster/diskstat.py
	cluster-install/install/cluster/diskstat.pyc
	cluster-install/install/cluster/diskstat.pyo
	cluster-install/install/cluster/mapred.py
	cluster-install/install/cluster/mapred.pyc
	cluster-install/install/cluster/mapred.pyo