move multimedia uploader to its own template
refactor multimedia uploader
add icon uploader modal
icon uploader controller
remove unnecessary variable definitions
use HQMediaUploaders
fix merge conflict with autostaging
Merge remote-tracking branch 'origin/multimedia-case-properties' into autostaging
Merge remote-tracking branch 'origin/sqlfct' into autostaging
Merge remote-tracking branch 'origin/sqlformcompletiontime' into autostaging
Merge remote-tracking branch 'origin/cache-locations' into autostaging
Merge remote-tracking branch 'origin/hq-dropdown' into autostaging
Merge branch 'dynamic-links' into autostaging
Merge remote-tracking branch 'origin/offline-install-multimedia' into autostaging
Merge branch 'logos' into autostaging
update submodule refs