NXP-9739: Add footer icon retina friendly
NXP-9739: Add an off state for unactive buttons in footer
NXP-9739: move icon from img tag to background CSS attribute
NXP-9739: Follow changes and rename old images
NXP-10914: Highlight current tab in nav bar
NXP-9739: add retina icons for the document view screen
NXP-9739: Add retina icons for the document view
NXP-9739: Add missing files
NXP-9739: Cosmit
NXP-9739: Replace image by spen for docview page
NXP-10908: Remove unused icons and splashscreen