Merge pull request #468 from leonindy/master

fix alert summary bugs, rewrite docs, add serveral columns of project for synchronizing from cmdb
modify the domain  manager
modify the manager
modify the alert jsp
Merge pull request #470 from youyong205/master

refactor document
refator code
Merge pull request #471 from youyong205/master

refator code
modify the cat
refactor cat domain
Merge pull request #472 from youyong205/master

refactor domain name
resolve conflicts, rename frontEndException