[WFLY-2913] generic http content upload handler

[emuckenhuber]

https://issues.jboss.org/browse/WFLY-2913

[wildfly-ci]

Build 2650 is now running using a merge of ade2f4b

[wildfly-ci]

Build 2650 outcome was FAILURE using a merge of ade2f4b
Summary: Tests passed: 5572, ignored: 74; [Artifacts publishing failed] {build.status.text} (new) Build time: 1:30:47

Build problems:

[Artifacts publishing failed] {build.status.text}

Failed to publish artifacts. Failed to publish artifacts, see teamcity-agent.log for details. Server status: 413 (Request Entity Too Large)
[Artifacts publishing failed] {build.status.text}

[wildfly-ci]

Build 2654 is now running using a merge of e787fab

[wildfly-ci]

Build 2654 outcome was SUCCESS using a merge of e787fab
Summary: Tests passed: 5572, ignored: 74 Build time: 1:27:09

[wildfly-ci]

Build 2694 is now running using a merge of 1264ec0

[wildfly-ci]

Build 2694 outcome was SUCCESS using a merge of 1264ec0
Summary: Tests passed: 5586, ignored: 76 Build time: 1:33:47

[kabir]

Harald says putting this off til 9, is going to complicate things for the console. Should go in 8.0.1

[kabir]

Merged