Add pipeline for basic verification of webrequest logs

Bug: 67128
Change-Id: Ie34f09a671a2ce341daabd8822d27e6b993d2e3e
Prefer '!=' over '<>' in HiveQL

This preference was discussed at

  http://bots.wmflabs.org/~wm-bot/logs/%23wikimedia-analytics/20140723.txt

between 13:49:54 and 13:51:33.

Change-Id: I70f0a3d15d3f1896b37ca93320ee3d65596bdebd
Harmonize format of HiveQL to create tables

Change-Id: I8f758b5409ade4229fd1fcb9d77ef7c4854ae391
Reindent HiveQL files

Change-Id: I07164c38ba6c1a73784ec8d82152d8ca3b7a0be3
Harmonize HiveQL documentation

Change-Id: I32da6b70f770349414e068ca452e293b02dc788d
Merge changes I32da6b70,I07164c38,I8f758b54,Ie34f09a6

* changes:
  Harmonize HiveQL documentation
  Reindent HiveQL files
  Harmonize format of HiveQL to create tables
  Add pipeline for basic verification of webrequest logs
Merge "Prefer '!=' over '<>' in HiveQL"