bug 890747 - seperate PID from hostname in processor stats with a "."
Fixes bug 882126 - New style signature_history service.
Merge pull request #1330 from AdrianGaudebert/882126-sig-trend-service

Fixes bug 882126 - New style signature_history service.
fixes bug 892197

removes the php webapp, references to it in the build infrastructure, and fixes documentation by changing references to django and removing php specific parts.
Merge pull request #1332 from lonnen/892197-delete-php

fixes bug 892197
Merge pull request #1328 from lonnen/890747-pid-statsd

bug 890747 - seperate PID from hostname in processor stats with a "."
bug 757447 - unittest/cron/fillDB.py deprecated
Merge pull request #1334 from GabiThume/bug757447

fixes bug 757447
bug 892004 - errormill for all exceptions in middleware_app
addressing some nits