Fixed version of MyProxy module UI free, with unit test

Signed-off-by: cinquo <m.cinquilli@gmail.com>
Add ASO databases.
ReqMgr2 project startup

-REST service based on WMCore.REST (new REST API)
-some example plus request list, query REST API
-configuration defined, called from deployment/reqmgr2/config.py
-startup of web GUI implemented in JavaScript, calling service's REST APIs
-couchapp ReqMgr (after initial clean up remained 1 view) shared between
ReqMgr1 and ReqMgr2 (validation, update already previously implemented),
necessary view will be addded
-CouchDB database (reqmgr_workload_cache) behind, shared with ReqMgr1

Incorporated comments from @ticonn collected on #4542
Incorporated comments from @geneguvo:
    -only 1 major config.py under deployment
    -regexp exported into a dedicated module

Added a check in WMCore.REST.Main, since it relies on private patched version
of cherrypy.
Merge pull request #4555 from zdenekmaxa/reqmgr2-startup-2

ReqMgr2 project startup
0.9.61

Signed-off-by: Zdenek Maxa <zdenek.maxa@cern.ch>
Merge pull request #4553 from HassenRiahi/add-aso-databases

Add ASO databases.
Merge pull request #4544 from cinquo/master

Add MyProxy module only depending on openssl, removing UI
Revert "Fixed version of MyProxy module UI free, with unit test"

This reverts commit 5d7ffd4be1bd5d379c11200b33edd37902e86b51.