Rename NameValueTableWrapper to GlobalsArray

Summary: Thats the only thing we use it for.

Reviewed By: @jdelong

Differential Revision: D1691544

Signature: t1:1691544:1416430932:e05908cf00bf3362f9c2b379c66292e130c36467
Truncate the display of the command invocation

Summary: It can become quite a long invocation due to the list of changed files. We
don't want to be clogging up people's screens.

Reviewed By: @elgenie

Differential Revision: D1692248

Signature: t1:1692248:1416448121:15216fbc7b607974c6b9241e3c2630b195045e0a
Support Authorization header in apache_request_headers()

Summary: Authorization is processed separately and not-mangled so special-cased like
CONTENT_LENGTH and CONTENT_TYPE which don't get prefixed with HTTP_

{sync, type="child", parent="internal", parentrevid="1689097", parentrevfbid="749762991738970", parentdiffid="5715023"}

Reviewed By: @JoelMarcey

Differential Revision: D1689097

Signature: t1:1689097:1416515552:4f8a11613ac6beb10cb911f2fcec0e6f2d88b1fb