Added support to fleece multiple images.

- Added product feature for image_scan. Added button to scan multiple images to Images list view toolbar and changed Image summary screen toolbar to use correct button id.
- Updated count of product features in spec test

https://bugzilla.redhat.com/show_bug.cgi?id=1141353
https://bugzilla.redhat.com/show_bug.cgi?id=1140853
Rewritten support page to Haml
Fix typo
Merge pull request #648 from jrafanie/fix_typo

Fix typo with derived_memory_available
Merge pull request #632 from romanblanco/support_erb2haml

Rewritten support page to Haml
Add miq_proxy/toggle_dash route and test

https://bugzilla.redhat.com/show_bug.cgi?id=1143974
Merge pull request #653 from dclarizio/add_miq_proxy_toggle_dash_route

Add miq_proxy/toggle_dash route and test
Fixed feature id in assert_privileges call for SmartProxy deploy button.

https://bugzilla.redhat.com/show_bug.cgi?id=1144064
https://bugzilla.redhat.com/show_bug.cgi?id=1144065
Merge pull request #655 from h-kataria/fixed_call_to_assert_privileges

Fixed feature id in assert_privileges call for SmartProxy deploy button.
Removed form tag
Merge pull request #590 from h-kataria/added_smartstate_analysis_button_on_images_list_view

Added support to fleece multiple images.
Merge pull request #656 from epwinchell/formbutton_fix_2

Removed form tag
Revert commit of 00cb48ca248d6ba15e531cadd2b6a0e0604d1ebf
Added methods for adding/updating URL query string parameters

Method specific to paging - update_paging_url_parms
Method specific to buttons/toolbars - update_url_parms

This commit depends on the revert-commit of 00cb48c

https://bugzilla.redhat.com/show_bug.cgi?id=1142702