upstream gem simplecov-rcov-text and remove roodi

We specifically comment out roodi for metric_fu
simplecov-rcov-text (also metric_fu) is updated
Service requests page: allow to save table column widths

This is to address the following error:

ActionController::RoutingError
(No route matches [POST] "/miq_request/save_col_widths")

https://bugzilla.redhat.com/show_bug.cgi?id=1145140
MiqAeExpression isn't referenced anywhere, so rm

I think we can delete this
Merge pull request #618 from mzazrivec/miq_request_save_column_widths

Service requests page: allow to save table column widths
Removed link to Installation Guide from UI 'About' screen.

[ci skip]

https://bugzilla.redhat.com/show_bug.cgi?id=1145326
https://bugzilla.redhat.com/show_bug.cgi?id=1144483
Merge pull request #674 from h-kataria/removed_installation_guide_link

Removed link to Installation Guide from UI 'About' screen.
Merge pull request #646 from kbrock/gem_roodi

upstream gem simplecov-rcov-text and remove roodi
Merge pull request #672 from tenderlove/MiqAeExpression

MiqAeExpression isn't referenced anywhere, so rm