[TASK] restyle my orders widget (RT-2613)

add columns sorting
rename columns, add some brand styles
[FIX] font usage fix (RT-2613)
[FIX] cancel column renamed to action (RT-2613)
[FIX] remove time column in my orders (RT-2613)

fix my order edit controls in tablet view
[FIX] fix cancel order dialog (RT-2613)

remove absent info (time, filled, remain) from cancel order dialog
[FIX] return empty string for invalid issuer

return empty string instead of "NaN" for
invalid issuer in rpissuer filter
[FIX] handle errors in callbacks on trade tab
[FIX] fix issuer parsing index error on trade tab
[TASK] My Orders widget restyled (RT-2613)

retstyled My Orders widget on overview page
[FIX] remove time column from sort (RT-2613)

remove time column from sort select in My Orders
[FIX] fix "cancel all" link styling (RT-2613)
[FIX] My Orders widget: Deeplink to Trade pair ()
Merge pull request #1975 from darkdarkdragon/develop-RT-2613

My Orders restyling (RT-2613)