[jira] [Created] (KYLIN-938) add friendly tip to page when rest request failed

[Zhong,Jason (JIRA)]

Zhong,Jason created KYLIN-938:
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             Summary: add friendly tip to page when rest request failed
                 Key: KYLIN-938
                 URL: https://issues.apache.org/jira/browse/KYLIN-938
             Project: Kylin
          Issue Type: Improvement
            Reporter: Zhong,Jason
             Fix For: v0.8.1, v0.7.3


to make sure user not confused,when user trigger action at front page,if 
request failed ,need to give tip instead of always loading or no tip.



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