use "graceful" instead of "reload" for Apache

The "reload" command is actually HUP which interrupts worker processes
in the middle of serving requests, whereas we actually want "graceful"
(USR1) which allows outstanding requests to finish.

http://httpd.apache.org/docs/2.2/stopping.html

Change-Id: I9fd6cfcffc06830a8c98289b6ba78fe603aae481
Merge commit 'd9260dc1636aac510f3d34a01973e27cab5d9f79'
beaker-wizard: Support for creating BeakerLib libraries

Added a new skeleton 'library' and a test type 'Library'
Adjusted autodetection for type and skeleton accordingly
Modified the Makefile skeleton to include library provides

Based on patches by Iveta Senfeldova and  Martin Kyral.

Bug: 910750
Change-Id: I1c31925c189866a5558992049e9e98b4aae75502
set webassets dependencies correctly for LESS imports

This is needed so that webassets notices changes made to imported LESS
source files and rebuilds the generated CSS instead of assuming it
hasn't changed.

Change-Id: I5471e730b4dcf43f8c3146cc4b957a5c3ae36bbf
Lock task repo and ensure task consistency when syncing tasks.

Bug: 1012783
Change-Id: I147e312e872fc3395b10524ae4b612f4af2c4566
Display "Not logged in" notice on provisioning tab

Bug: 1039514
Change-Id: I2285ff5b6b19ae8a762f4083b00c57c685156d49
Ensure user is authenticated for permission checks

Change-Id: I3c2eb33bf5cfbf361c0d0360ee6cce686d64d919
Added further details of the archive server and log storage

Bug: 968844
Change-Id: I3bb7f1adee69217eceaca2ff1779e2e9a6bcb5b6
Generate RHEL5 compatible RPMs

Change-Id: Ie3a52aa625eba63de4e69cde6c66d95439d805c8
Release notes for Beaker 0.15.2

Also tweaks the note about the IPv6 support requirement in the
0.14.4 release notes to match the updated note in these release
notes.

Change-Id: I5dd756611f6487eadbc5f6a2e78e3c190afd01dc
Automatic commit of release 0.15.2

Change-Id: Ib7e91caff355a80ac3468c4e6d1781e39402dac8
Merge branch 'release-0.15'
Merge branch 'master' into develop

Accommodate the changes in model.py into the relevant modules in  model/

Conflicts:
	Server/bkr/server/model.py

Change-Id: I9f0181121c05bcdd03dff042580d0028111faebe