wrapper ansicolor now support different colormap

The Ansi color plugin let you specify a different set of colors to use.
The plugin uses 'xterm' has a default and provides 'css' and 'vga'.  On
a white background, it seems 'vga' is a bit easier to the eyes.

Change-Id: I4108bfb9f3c7020ce5bfdfefe437353bbac2c122
Reviewed-on: https://review.openstack.org/35494
Reviewed-by: James E. Blair <corvus@inaugust.com>
Approved: Clark Boylan <clark.boylan@gmail.com>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Tested-by: Jenkins
Set dynamicTriggerConfiguration switch

In Jenkins version 1.490 with Gerrit Trigger plugin
1.6.0 the dynamicTriggerConfiguration flag
needs to be explicitly turned off in order for the
triggers defined within the job to work properly.

Change-Id: If5835e933b812a7fe17c49f0f6988360f7154f80
Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
Reviewed-on: https://review.openstack.org/36226
Reviewed-by: Arnaud Fabre <fabre.arnaud@gmail.com>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Reviewed-by: Khai Do <zaro0508@gmail.com>
Approved: Clark Boylan <clark.boylan@gmail.com>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Tested-by: Jenkins
Do not assume a failure message is specified

Not everyone needs a custom failure message, so
if nothing is specified create an empty node.

Change-Id: I82f69e28574c01cbc6de649f968482352f42b8d8
Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
Reviewed-on: https://review.openstack.org/36229
Reviewed-by: Arnaud Fabre <fabre.arnaud@gmail.com>
Reviewed-by: Khai Do <zaro0508@gmail.com>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Approved: Clark Boylan <clark.boylan@gmail.com>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Approved: James E. Blair <corvus@inaugust.com>
Tested-by: Jenkins