KNOX-3046 - Yarn REST API should support query parameters

[slankka]

(It is very important that you created an Apache Knox JIRA for this change and that the PR title/commit message includes the Apache Knox JIRA ID!)

What changes were proposed in this pull request?

Knox Gateway for Yarn ResourceManager REST API should respect query parameters.

The conclusion is: {**}?{**} works and {**} will ignore query params.

How was this patch tested?

There is already one can prove that patten {**}?{**} works with query parameters and without parameters.

https://github.com/apache/knox/blob/d21cf8f63944afdd5d4ffa0236a16cd788d9a14a/gateway-provider-rewrite/src/test/java/org/apache/knox/gateway/filter/rewrite/api/UrlRewriteProcessorTest.java#L274-L303

and rewrite.xml :

https://github.com/apache/knox/blob/d21cf8f63944afdd5d4ffa0236a16cd788d9a14a/gateway-provider-rewrite/src/test/resources/org/apache/knox/gateway/filter/rewrite/api/UrlRewriteProcessorTest/rewrite.xml#L22-L25

[lmccay]

@pzampino , @moresandeep - it seems that the conversation topics are resolved here. If this is good to go, we should get it in prior to 2.1.0 branching which is will happen shortly.