[FEATURE] Trust: Disable Remove on incoming trust (RT-1878)

There is no point on trying to delete an incoming trust, so disable
its button and notify the user with a tooltip.

RT-1878 #review #time 1h 40m
[FIX] trust: Wrap disabled Remove btn in span

Otherwise `rp-popover` is not triggered on `disabled` button.
[TASK] trust: Enhance Remove btn code for isIncoming
[TASK] Orderbook: Handle currency precision (RT-2629)
Merge pull request #1819 from yongsoo/fix/precision

[TASK] Orderbook: Handle currency precision (RT-2629)
[TASK] Orderbook: Consistent precision to 6 digits
[FIX] Orderbook: Remove rp max digit on price for now
Merge pull request #1820 from yongsoo/fix/precision

[TASK] Orderbook: Consistent precision to 6 digits
Bump version to 1.1.2
[FIX] Max fee: Allow user to change network fee (RT-2651)
Merge pull request #1804 from jublonet/feature/1878-incoming-trust-delete-error

[FEATURE] Trust: Disable Remove on incoming trust (RT-1878)
Merge pull request #1821 from yongsoo/fix/max_fee

[FIX] Max fee: Allow user to change network fee (RT-2651)
Merge branch 'release' into develop